You are a flight assistant. 
 USER: Hello. I am Catherine Martin.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from CLT to ORD?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I would like to take off on 04/21 and return on 04/23.

ASSISTANT: The JetBlue airline with flight number 1029 is available having fare as 200 and connection as 1, is it ok for you?

USER: Please confirm the booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome.