You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Daniel Smith here.

ASSISTANT: Nice to meet you Smith.

USER: I want to attend a Marriage in Houston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I know your source and destination airport code please?

USER: My airport codes are from IAD to IAH.

ASSISTANT: Well, may I know your travelling dates please?

USER: My travelling dates are from 08/09 to 08/11.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Hawaiian airlines. Would you like to book this flight for your journey?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket is booked in the flight number 1021.

USER: Thanks for helping me.

ASSISTANT: Most welcome.