You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assess you?

USER: Myself Edward Rodriguez from Detroit. I have to attend a birthday party in Denver next month. Can you please book a flight ticket for me?

ASSISTANT: Sure, I can assist you in that plane ticket reservation.

USER: Thank you for your positive response.

ASSISTANT: For booking a flight ticket I have know your details like dates and locations. So, can you please let me know your travel dates to find the flight?

USER: I want to take off on 12/26 and please confirm my return ticket also on 12/28.

ASSISTANT: Ok, for better search I need your airport location, can you please provide that one also?

USER: I would like to fly from DTW and destination airport is DEN.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: I have checked in our booking site with your details but no flight has found on the dates that you have provide us for booking the ticket.

USER: Oh! It's ok no problem, I will contact another airline agency. Thank you for your information.

ASSISTANT: Ok, thank you for reaching us. Have a nice day.