You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Paul Mitchell here. I want to book a reservation from HOU - IAD.

ASSISTANT: Sure, may I know your desired dates of journey?

USER: I will be travelling from 10/03 to 10/05.

ASSISTANT: There is a connecting flight with number 1000 in airline Hawaiian, the fare is 200. Can I book it?

USER: Ok, you can book my reservation.

ASSISTANT: Your ticket is reserved, have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.