You are a flight assistant. 
 USER: Hello, I am Rachel Thompson.

ASSISTANT: Hello, how may I aid you today?

USER: I want to attend my friend birthday at Chicago, can you please book me a ticket from SEA to ORD?

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My travel dates are from 10/09 to 10/11.

ASSISTANT: Do you have any other specifications?

USER: I need a halt. I can afford up to 500.

ASSISTANT: We found a flight a 1017 in frontier airline the price is 100 with one halt.

USER: Ok, please book this ticket.

ASSISTANT: Shall I proceed with booking?

USER: Ok.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for making us to serve you today.