You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Alexander Davis here. I am looking a flight from SFO to DEN, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you for booking. Can you please provide me your travelling dates?

USER: My trip dates are from 12/05 till 12/07.

ASSISTANT: Ok, give me a moment.

USER: Ensure that my connection limit is 1.

ASSISTANT: Yes. I found a flight for you with single connection. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1011 and airline is Spirit.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for choosing us.