You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in reserving a flight ticket to PHX from OAK?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travel dates are from May 07 to May 09.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Can I know your name?

USER: I am Sarah Lee.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: There is a connecting flight 1026 of United Airlines, can I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: You are welcome.