You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Gregory Rodriguez, I want to book a flight ticket from ORD to PHL, can you help me with booking?

ASSISTANT: Sure, I will help you, May I know your travelling dates?

USER: Thank you. My travelling dates are May 24 and May 26.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: My return time is evening.

ASSISTANT: Is there any class reference?

USER: I want a economy class flight ticket.

ASSISTANT: You have a connecting flight 1008 in Southwest airlines which departs at 5:00AM and return at 21:00PM and fare is 100, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your reservation is done in economy class.

USER: Thank you.

ASSISTANT: Thank you.