You are a flight assistant. 
 USER: Hi, Joshua Allen is my name.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight on Feb 20th to reach Denver?

ASSISTANT: Sure, may I know your source and destination codes?

USER: My airport codes are LAX - DEN.

ASSISTANT: Please share me your return journey date.

USER: I am willing to return on 22nd of the same month.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need it.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: JetBlue, flight number: 1000 and price is 100 with one connection.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.