You are a flight assistant. 
 USER: Hello, Mark Martinez here.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from CLT to CLT. Will you please help me in booking my ticket?

ASSISTANT: Can you provide your travel dates?

USER: Yes, my travel dates are from 03/29 to 03/31.

ASSISTANT: Flight number 1019 of JetBlue airlines is matching with your requirement.

USER: Great, proceed with the booking.

ASSISTANT: Your ticket was confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome.