You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Sandra Mitchell here.

ASSISTANT: How can I help you today?

USER: Can you please reserve me a flight ticket from PHL to PHX?

ASSISTANT: Sure, I am happy to help you. May I know your planned travel dates?

USER: My trip dates are 08/02 - 08/04.

ASSISTANT: Do you have any connection limit?

USER: I need flight with a single connection.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight with an airline Spirit of flight 1021 in an economy class with single connection. Can I proceed?

USER: Please proceed to book.

ASSISTANT: Your seat has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.