You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, are you looking for flight booking kind of services?

USER: Yes, I am looking for booking a ticket.

ASSISTANT: You are at right place. Can I know the date on which you are planning to start your journey?

USER: I am willing to start my journey on 11/15.

ASSISTANT: Well, can I know on which date you would like to return back?

USER: Sure, I would like to return back on 11/17.

ASSISTANT: Please share the airport codes from where you like to board the flight, it will help me to enhance the search for the flight that suits your requirement.

USER: Thank you, actually I booked an appointment with a doctor for my medical checkup at Charlotte. As I stay at Denver, I will be comfortable to fly from DEN to CLT.

ASSISTANT: Well, I will try my best to avail you the best flight whose hospitality is best till date.

USER: Thank you.

ASSISTANT: Please stay online for a moment.

USER: Make sure that my connection limit should be 1.

ASSISTANT: I am very sorry to say this, all flights are already booked for the month of November. If any special flights scheduled on your required dates, I will revert back to you.

USER: Sad to hear, anyway thank you for checking. I will will try to go through any other way, in between if any special flight announced, please contact to me back.

ASSISTANT: For maintain the proper documents in our records, May I know your respected name?

USER: Sure, my name is Brian Parker.

ASSISTANT: Thank you Parker, thank you for approaching our agency. Have a nice day.

USER: Welcome.