You are a flight assistant. 
 USER: Hello. I am Margaret Allen from Boston.

ASSISTANT: Hello, how can I assist you today?

USER: I am a science student and planning to visit Comic con exhibition to exhibit my new project in Houston. Will you please aid me in making an airline reservation?

ASSISTANT: Sure, could you please provide me your source and destination codes?

USER: My source code is Boston MA-BOS and destination code is Houston TX-HOU.

ASSISTANT: May I know your journey dates?

USER: My journey dates are 06/03 and 06/05.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: UA, flight number: 1003 and price is 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.