You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to fly from ORD to SFO. Can you check the flight availability on that route?

ASSISTANT: Sure, on which dates your planning to travel?

USER: My planned travel dates are 10/28 and 10/30.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with single connection.

ASSISTANT: Is there any other specifications?

USER:  No more, thank you.

ASSISTANT: There is a flight with single connection in Spirit airlines, can I proceed for booking in 1019 flight?

USER: Yes, you can proceed with that booking.

ASSISTANT: On which name can I proceed for booking?

USER: Sure, Jonathan Williams here.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for the booking.

ASSISTANT: Thank you for choosing us.