You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Richard Collins. Can you please book a flight ticket from OAK to PHL?

ASSISTANT: Ok, can I have your dates of travel?

USER: Sure, I need to travel on dates of 09/15 and 09/17.

ASSISTANT: Let me check for the flight on your route.

USER: Sure, take your time.

ASSISTANT: I found a connecting flight-1009 on UA airlines, shall I book it?

USER: That is fine, please proceed with booking.

ASSISTANT: Sure., your ticket has been done with your name.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.

USER: Most welcome.