You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Richard Taylor.

ASSISTANT: How can I assist you?

USER: I am looking for a flight from LAX to PHL, can you help me in booking the flight ticket?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my planned travel dates are 09/18 and 09/20.

ASSISTANT:  Here is a connecting flight with fare 100 and 1005 as flight number. Shall I proceed with booking?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.