You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Timothy Adams.

ASSISTANT: Hello Adams.

USER: I am planning to visit a new place from ORD to SFO, can you help me out?

ASSISTANT: Sure, can I know when you are planning for your trip?

USER: My preferable dates are 09/13 to 09/15.

ASSISTANT: Please give me a moment.

USER: Sure, take your own time.

ASSISTANT: There is a flight available with Southwest airlines, shall I go with this one?

USER: May I know the price?

ASSISTANT: Yes, its price is 100.

USER: Yes, you can proceed the booking.

ASSISTANT: Your ticket is successfully booked, flight number is 1000, happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.