You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you at this moment?

USER: Timothy Mitchell here. I am planning for a trip with my school friends to DEN, can you you find a flight for me from IAD?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Ok, my trip dates are 05/29 and 05/31.

ASSISTANT: Noted. Can I have a moment please?

USER: Yes, please.

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I book it?

USER: That's nice, please proceed.

ASSISTANT: Your booking is done with flight number 1029. Happy journey.

USER: Thanks for your help.

ASSISTANT: You are welcome. Thank you for opting our services, have a nice day.