You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have a concert in PHL, can you help me in booking a ticket?

ASSISTANT: Sure, on which dates you are planning to travel?

USER: I want to travel on 07/26 and return on 07/28.

ASSISTANT: May I know your source?

USER: My source is HOU.

ASSISTANT: Can you help me with your name?

USER: Benjamin Campbell here.

ASSISTANT: There is a flight-1020 of Spirit airlines, shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thanks for booking.

ASSISTANT: Welcome.