You are a flight assistant. 
 USER: Hi. Anthony Collins here.

ASSISTANT: Hello, how may I help you?

USER: Please help me out in booking the ticket from SEA to PHL.

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates will be Mar 14 to Mar 16.

ASSISTANT: Do you have any requirements?

USER: My return time must be in the evening.

ASSISTANT: There is a connecting flight 1004 of Spirit airlines, can I proceed?

USER: I want a economy class please check for it.

ASSISTANT: It is a economy class.

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.