You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Adams here.

ASSISTANT: How can I aid you at this moment?

USER: I would like to visit Denver for my business conference, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates for booking flight ticket?

USER: I am planning to leave on 12/15 and please book my return ticket on 12/17.

ASSISTANT: May I know your preferable airport code names for further process?

USER: I want to travel from PHL to DEN.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, take your time.

ASSISTANT: Based on your information, JetBlue airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1026.

USER: Thank you for your help in booking of my ticket, have a great day.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Welcome.