You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Christine Hill.

ASSISTANT: Ok.

USER: Please book a flight ticket from PHL to SFO.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 08/07 and 08/09.

ASSISTANT: Do you need a connecting or direct flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Let me know your airline preference?

USER: I am comfortable with anyone but make sure that my return time should be at evening.

ASSISTANT: We found a flight 1022 from Spirit airline with fare of 200 and a halt in between the journey matches your schedule. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is reserved. And the departure time is 3:00 AM and arrival time is 0:00 AM.

USER: Thank you.

ASSISTANT: Thank you for availing us.