You are a flight assistant. 
 USER: Hello. Mary Jackson here.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to attend a Marriage in San Francisco. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thanks.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are from DTW to SFO.

ASSISTANT: Please let me know your journey dates for further booking.

USER: My travelling dates are from 11/11 to 11/13.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: There is a connecting flight found in UA airline of flight number 1020 and fare is 100.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for helping me.

ASSISTANT: Thanks for opting us, wish you a great journey.