You are a flight assistant. 
 USER: Hello, I am Edward Green.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight ticket from Charlotte to attend a meeting in Houston?

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are CLT to IAH.

ASSISTANT: Fine, let me know your trip dates too.

USER: My journey dates are, start on Feb 12th and arrival on Feb 14th.

ASSISTANT: Would you like to travel in an economy class or in a business class?

USER: I am comfortable to travel in any class.

ASSISTANT: Frontier airlines ready to serve you with the price 100 and connection 1, is it ok for you?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, booking is done with the flight-1022.

USER: Thanks for the help.

ASSISTANT: Welcome, have a safe trip.