You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking an economy class flight for my journey to MSP from IAH in the month of December?

ASSISTANT: Sure, let me know your travelling dates.

USER: Ok, my travelling dates are Dec 23 and Dec 25.

ASSISTANT: Let me know your requirements.

USER: I need a connecting flight for my journey.

ASSISTANT: May I know your name?

USER: Ok, my name is Anna Davis.

ASSISTANT: We found a United airline with single connection and flight number is 1004. Shall I proceed?

USER: Yes, do proceed with the booking.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for booking my flight ticket with the flight 1004.

ASSISTANT: Thank you for choosing us.