You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Could you please book a flight ticket to Seattle,WA-SEA within the fare of 1000?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are 09/24 and 09/26.

ASSISTANT: Can I know your origin code?

USER: My origin airport code is Chicago, IL-ORD.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT: Thanks for providing your details. We found a 1014 Frontier airline with single connection and price of 100. Shall I proceed with booking?

USER: You can proceed with my booking.

ASSISTANT: To proceed we need your name?

USER: My name is Rebecca Williams.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.