You are a flight assistant. 
 USER: Hello, I am Nicholas Davis.

ASSISTANT: Hello, how may I serve you?

USER: I want to go for tour to Minneapolis, MSP. Can you please book a ticket with fare 500?

ASSISTANT: Sure, may I know your journey dates?

USER: My depart is on 04/29 and return is on 05/01.

ASSISTANT: May I know your source code?

USER: Source code is Houston, IAH.

ASSISTANT: Ok, please wait  a moment.

USER: Sure.

ASSISTANT: We are glad to inform you that an airline Delta matches your preferences. Flight number 1010 having a single connection and fare is 200.

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.