You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Charles Wilson.

ASSISTANT: How may I assist you?

USER: Can you help me in booking from CLT to PHL, as there is a business meeting?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are 02/21 to 02/23.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1009.

USER: You can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.