You are a flight assistant. 
 USER: Hello. My name is Margaret Clark.

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

USER: I would like to organise a technical fest in my college.

ASSISTANT: Ok.

USER: Can you please help me in booking a ticket to go for a round trip on 09/29?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: When would you like to return your trip?

USER: After the event , my return will be on 10/01.

ASSISTANT: Help me with the airport code of round trip.

USER: San Francisco, SFO is my airport code.

ASSISTANT: Do you need lay by in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with AA airline, flight number 1001 with fare 100 and a lay by.

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.