You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Margaret Turner here.

ASSISTANT: How can I assist you?

USER: I want to meet my friend in San Francisco, 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 03/19 till 03/21.

ASSISTANT: Ok, may I know your airport codes?

USER: My nearest airport codes are from DTW to SFO.

ASSISTANT: There is a flight is available for you with single connection. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1002 and airline is AA.

USER: Thank you for booking.

ASSISTANT: Welcome. Have a safe flight.