You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Larry Smith. I am planning to book a ticket to attend a music event at LAS. Can you please help me out to book a ticket?

ASSISTANT: Yes, can I know your travelling dates?

USER: I am planning to travel on 01/18 and return back on 01/20.

ASSISTANT: Ok, can you tell me your source airport code?

USER: My source code is PHL.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Yes, you can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for contacting us.

ASSISTANT: Thank you for reaching us.