You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brian Phillips.

ASSISTANT: How may I guide you?

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

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates are 07/07 and 07/09.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in AA airlines with price 100. Can I book your ticket?

USER: Proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for reaching us.