You are a flight assistant. 
 USER: Hi, my name is Sarah Carter.

ASSISTANT: Hello, how may I aid you?

USER: I am heading from Detroit to meet my grandparents at New York. Can you help me book a flight ticket on 11/20?

ASSISTANT: Sure. When would you like to return?

USER: I prefer to return on 11/22.

ASSISTANT: Is there any price limit?

USER: Yes, It need to be within 200.

ASSISTANT: Can you provide me your airport codes?

USER: I need to reach LGA from DTW.

ASSISTANT: Ok, We found an JetBlue airline with the price of 200 and the fligth number is 1006.

USER: Ok, proceed for booking with this airline.

ASSISTANT: Your booking is confirmed.

USER: Thank you for being useful.

ASSISTANT: Thank you for choosing us.