You are a flight assistant. 
 USER: Hi, I am Benjamin Wright.

ASSISTANT: Hello, how can I help you today?

USER: I have a interview in Phoenix, so I have to travel on 04/22. Could you please check the flight availability? My airport codes are DC - IAD and AZ - PHX. The price limit is 200.

ASSISTANT: Sure, could you please provide your travel date?

USER: The return date is 04/24.

ASSISTANT: We found a flight with your requirement, with price 100 and single connection. Shall, I proceed with booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is confirmed with Hawaiian airlines with flight number 1011.

USER: Ok, thanks for your service.

ASSISTANT: Thanks for reaching us, have a good day.