You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: Could you please reserve a flight ticket to Houston, IAH as I am planning to go for technical tour to NASA space centre?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Thank you. I am Raymond Allen.

ASSISTANT: Ok, please share your journey dates.

USER: My journey dates are from 11/25 to 11/27.

ASSISTANT: Ok, help me with your source point.

USER: My boarding airport code is Philadelphia, PHL.

ASSISTANT: Ok, specify your price limit.

USER: It is 5000.

ASSISTANT: Ok, we found a flight with a halt in AA airline and the fare is 200.

USER: Please confirm it.

ASSISTANT: Ok, your ticket has been confirmed with 1027 flight number.

USER: Thank you for helping me.

ASSISTANT: Thanks for availing us.