You are a flight assistant. 
 USER: Hello, I am Patricia Collins.

ASSISTANT: Hello, how may I help you today?

USER: I want to go to Independence hall at Philadelphia, PA-PHL, can you please avail me a ticket from Las Vegas, NV-LAS?

ASSISTANT: Sure, please share your connection limit.

USER: My scheduled travel dates are from 07/31 to 08/02. My connection limit is one.

ASSISTANT: Ok. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight in Delta airline with a fare of 100.

USER: Please proceed to book.

ASSISTANT: Sure, your ticket has been confirmed and the flight number is 1029.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.