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

ASSISTANT: Hello, how may I support you?

USER: I want to visit Independence Hall at PHL, Can you please book a ticket for me?

ASSISTANT: Sure, can you please provide your journey points?

USER: My depart is on 06/ 14 and return is on 06/16.

ASSISTANT: Do you have a connection limit?

USER: Origin:DEN. With price 500 and 1 connection.

ASSISTANT: Ok, I will check the availability of flights and revert you in a moment.

USER: Sure.

ASSISTANT: Thank you for being patience, we found a flight with single connection. Price of ticket is 200 for flight number 1021. Airline is UA.

USER: You can proceed.

ASSISTANT: Ok, your reservation for UA airline has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a safe journey.