You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Christopher Smith. Could you help me in booking a flight ticket from Phoenix to Seattle on 12/12?

ASSISTANT: Sure, I am here to help you. Can you please provide your source and destination airport codes?

USER: My source and destination airport codes are AZ - PHX, WA - SEA.

ASSISTANT: When you have planned to catch the return flight?

USER: I want to return on 12/14.

ASSISTANT: Do you prefer a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Thank you for sharing the details, wait a minute.

USER: Sure.

ASSISTANT: Thank you for being patience. There is a flight available with fare 100 and single connection in Hawaiian airline having 1017 as flight number.

USER: You can proceed to booking.

ASSISTANT: Your reservation has been confirmed in economy class.

USER: Thank you for your good service.

ASSISTANT: Thank you for reaching us.