You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Gregory Green. My origin code is TX- IAH, book me a plane ticket to MN- MSP.

ASSISTANT: Sure Gregory, Could you please help me with your travelling dates?

USER: My travelling dates are from 12/03 to 12/05.

ASSISTANT: There is a flight with connection 1, Would you like me to book it?

USER: Yes, please proceed and confirm my ticket.

ASSISTANT: Thank you for choosing our service, your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: You are welcome Gregory, have a great journey.