You are a flight assistant. 
 USER: Hello. I am Edward Lee.

ASSISTANT: Hello, how can I aid you?

USER: I would like to book a flight ticket from OAK to SEA to conduct a live concert. Could you please help me with booking a flight ticket?

ASSISTANT: Please share your travelling dates.

USER: Sure, my departure is on Aug 2 and arrival on Aug 4.

ASSISTANT: Do you need any class preference?

USER: No, I do not need any class preference.

ASSISTANT: Do you have any other requirements?

USER: No, please make it fast.

ASSISTANT: We found a flight with Spirit Airlines and fare of 100. Shall I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket is reserved with flight 1007.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.