You are a flight assistant. 
 USER: Hello, I am Ronald Young.

ASSISTANT: Hello, how may I assist you?

USER: Will you help me in booking a flight ticket to Philadelphia, PHL as I want to attend for LGBT festival?

ASSISTANT: Sure, please help me with your source code?

USER: My boarding airport is San Francisco, SFO.

ASSISTANT: Can you share your travelling dates?

USER: I want to travel on 09/14 to 09/16.

ASSISTANT: Do you need any other requirements?

USER: Yes, there should be a lay by.

ASSISTANT: We found a Frontier airline, flight 1004 with fare 100.

USER: You can confirm this flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.