You are a flight assistant. 
 USER: Hello, I am Michael Allen.

ASSISTANT: Hello, how may I assist you?

USER: Will you please help me in finding a cheaper flight within the tariff 200?

ASSISTANT: Sure, may I know your airport codes?

USER: I am heading to SEA from CLT to join the golden west beer tour with my friend.

ASSISTANT: On which dates would you like to travel?

USER: I need a flight on dates from 10/27 to 10/29.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1023.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you.