You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Patricia Brown here. Due to some reason, urgently. I want to go DTW. Can you check once is there any flight from SFO?

ASSISTANT: Sure, I can check that for you. Can you please help me with your travelling dates?

USER: My trip dates are from 04/07 to 04/09.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: Patricia, there is a flight available at your request with price 100. Would you like me to proceed the booking?

USER: That's great. Please proceed.

ASSISTANT: Sure. Your booking is confirmed with AA airline and the flight number is 1029.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome. Thank you for contacting us.