You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I aid you?

USER: Can you please help me in booking my flight ticket from PHL to SFO?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are Jan 09-11.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I want to fly in economy class.

ASSISTANT: May I know your name?

USER: My name is Steven Collins.

ASSISTANT: You have a connecting flight 1021 in JetBlue airline and price 100, Shall I proceed?

USER: Ok, please go ahead.

ASSISTANT: Your ticket has been booked in economy class.

USER: Thank you.

ASSISTANT: Thank you.