You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Carter here.

ASSISTANT: How may I be in service for today?

USER: I would like to attend a business seminar in Denver, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I am here for the flight booking. May I know your travel airport codes?

USER: I want to travel from IAH to DEN.

ASSISTANT: Ok, can I know your travel dates?

USER: I am planning to go on 03/03 and please book a return ticket on 03/05.

ASSISTANT: Yes Charles, the single connection flight is available at your location and the airlines is JetBlue. Do you want me to book?

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

ASSISTANT: Yes, the booking is done and the flight number is 1024.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosingour agency.

USER: Welcome.