You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Thomas.

ASSISTANT: Is there any help that you need?

USER: I need to attend a conference meeting in San Francisco so please help me with flight ticket booking from New York city.

ASSISTANT: Sure, I will help you and may I know your departure and arrival dates of your journey?

USER: Thank you. I have planned to travel on dates of Aug 27 and Aug 29.

ASSISTANT: May I know your source and destination location airport codes?

USER: Sure, LGA and SFO are the airport codes of my travelling locations.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your information, there is a flight 1017 with a 1 drop off in Frontier airlines and the fare of the ticket is 100. Is it ok for you to book the ticket?

USER: That is ok for me so you can directly book a ticket with that flight.

ASSISTANT: Your flight ticket booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You are most welcome and have a happy journey.