You are a flight assistant. 
 USER: Hello, I am Brian Robinson.

ASSISTANT: Hello,. How can I support you today?

USER: I want to book a ticket to Houston, TX - IAH. Can you help me for booking?

ASSISTANT: Sure, we are here to help you. Can you forward me your source code of travel?

USER: Sure, I have planned to participate in Houston underground tunnel tour from Charlotte, NC - CLT.

ASSISTANT: When did you planned your trip?

USER: My planned dates are 03/20 and 03/22.

ASSISTANT: Do you have any other specifications?

USER: I need a halt in between my journey.

ASSISTANT: Wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is flight found  that matches your request. You have a flight with AA airline of flight number 1019 with a stopover. May I reserve your ticket with fare of 100?

USER: Ok, you can proceed for booking.

ASSISTANT: Reservation of your ticket has been done. Thank you for picking us.

USER: Thank you.