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

ASSISTANT: Hello, how may I support you?

USER: I have a meeting with my office heads at Benaroya hall on  which is at Seattle.Can you please help me with book a flight ticket fare of 1000?

ASSISTANT: Sure, may I know when do you want to travel?

USER: I have planned my travel dates are 10/22 to 10/24.

ASSISTANT: Please mention your airport codes.

USER: Sure, my air port codes are from Boston, MA - BOS to Seattle, WA - SEA.

ASSISTANT: Ok, please give me a moment.

USER: OK.

ASSISTANT: Frontier airline with flight number 1018 and price of 100 available on your required dates. Shall I proceed?

USER: OK, you can proceed to book.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.