You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Jessica Evans. I want to book a ticket from SFO and DTW, can you please book a ticket?

ASSISTANT: Sure, help me with the trip dates?

USER: My travelling dates are on Sept 20 and Sept 22.

ASSISTANT: Do you have any preferences?

USER: I need to return at morning.

ASSISTANT: We found a JetBlue airlines with single connection and your return time in the morning. Shall I reserve?

USER: You can reserve.

ASSISTANT: Your ticket has been confirmed with flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for reaching us.