You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Taylor.

ASSISTANT: How can I help you?

USER: I planned to meet my cousin in LAS, can you please help me to book a flight ticket from IAD?

ASSISTANT: Sure, I am here to help you out. May I know your preferable travelling dates for booking?

USER: I planned to travel on 05/28 and 05/30.

ASSISTANT: Ok, please wait for a while I will check a better flight for you and revert back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight on Hawaiian airlines with a fare of  200. Shall I proceed with this booking?

USER: Ok, please confirm my booking.

ASSISTANT: James Taylor, your booking is confirmed with flight 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. have a safe journey.