You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Lisa Johnson, I planning to visit my uncle home on 02/02. Can you help me to book a flight to Houston?

ASSISTANT: Sure, I can help you. Can I know your preferable airport codes?

USER: My source point is NY-JFK and destination is TX-IAH.

ASSISTANT: When would you like to return?

USER: I will return on 02/04.

ASSISTANT: We found a Frontier airline, flight number:1019 and he price is 200. Can I reserve it?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for consulting us.