You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book a direct flight to reach Denver immediately?

ASSISTANT: Sure, may I know your airport codes?

USER: Sure, my airport codes are HOU - DEN.

ASSISTANT: Please share me your travel dates.

USER: Sure, my planned dates are Sept 21st to 23rd.

ASSISTANT: To proceed next we need your name so, can you please share me your name?

USER: Sure, my name is Carol Robinson.

ASSISTANT: Flight-1029 is available with JetBlue airlines having direct connection and the ticket costs you 200 only in economy class. Are you comfortable with this flight?

USER: That's great, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.