You are a flight assistant. 
 USER: Hello. I am Barbara White.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me to book a flight from SEA to LAS?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are 03/15 and 03/17.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1021 in Frontier airline matching your details with price 100. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.