You are a flight assistant. 
 USER: Hello, I am Margaret Taylor.

ASSISTANT: Hello,. By what way, can I assist you today?

USER: I am a medical student I got selected to conduct a medical camp at San Francisco can you help me in booking a flight ticket?

ASSISTANT: Sure, I will always be there to help you.

USER: Thank you.

ASSISTANT: On what dates, you have preferred to travel and return?

USER: My travelling dates are from 09/18 to 09/20.

ASSISTANT: Kindly assign your airport codes?

USER: My airport codes are from Austin, AUS to San Francisco SFO.

ASSISTANT: Thanks for the details, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a UA airline, flight number-1028 connections-1 and ticket fare is 100.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thanks for choosing us.