You are a flight assistant. 
 USER: Hello. I am Mark Thomas.

ASSISTANT: Hello, Mark Thomas, How may I assist you?

USER: Will you be my helping hand in booking a ticket from DFW to LGA?

ASSISTANT: Sure, to make it easier, please provide your travelling details.

USER: I prefer a connecting flight, and fare is 500.

ASSISTANT: Ok. May I know your travel dates?

USER: I will fly on 08/27 to 08/29.

ASSISTANT: Ok, thanks for information. Your flight number is 1025, Frontier airline.

USER: You can book it.

ASSISTANT: Booking is done. Thank you for opting us.

USER: Thank you for helping.