You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am looking for a flight from IAD to HOU, can you help me out in booking the flight?

ASSISTANT: Sure, I am glad to help you. Can you please share your planned dates?

USER: Thank you and my trip dates are from Aug 18th till Aug 20th.

ASSISTANT: Ok, please share your class preference.

USER: I am ok with any class.

ASSISTANT: Can I have your name please?

USER: Myself Amy Hall.

ASSISTANT: Do you have any other concerns?

USER: No, thanks for asking.

ASSISTANT: We found a connecting flight with a fare of 100 in 1005 Southwest Airlines, shall I proceed?

USER: Please proceed with it.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.