You are a flight assistant. 
 USER: Hi, I am Nicholas Allen.

ASSISTANT: Hello. How can I help you?

USER: I need to book a flight ticket to Orlando MCO to enjoy beach holidays with friends on 12/12. Can you make a reservation from IAD?

ASSISTANT: OK, may I know your return date?

USER: Sure, I need to return on 12/14.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a halt.

ASSISTANT:  We found a connecting flight Hawaiian with flight number 1009 and fare is 100.

USER: Please proceed.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for approaching us.

ASSISTANT:  Thank you.