You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: My name is Ryan Roberts.

ASSISTANT: How can I assist you?

USER: I would like to for a holiday trip with my family to Washington DC - IAD. Can you book a ticket under a fare of 1000?

ASSISTANT: Sure, can you please share the other details of your journey?

USER: My preferable travel dates are 04/27 and 04/29. I want to fly from Houston, TX - IAH.

ASSISTANT: Please wait for a while, I will check and revert you.

USER: OK.

ASSISTANT: We found a South west airline matching your preferences.

USER: If it has one connection in between, then please book it.

ASSISTANT: The price is 300 with single connection. Ok. Your ticket has been confirmed with flight 1026.

USER: I am very thankful with your service.

ASSISTANT: Thank you for approaching us, have a good day.