You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: Could you please check the flight availability in normal cost airline?

ASSISTANT: Sure, may I know your journey dates please?

USER: My journey dates are Feb 13 and Feb 15.

ASSISTANT: Kindly assign your airport codes?

USER: I am heading to SFO from EWR.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer a stopover.

ASSISTANT: Is there any more preferences?

USER: I want to return in the evening.

ASSISTANT: May I know your name please?

USER: My name is Gary Mitchell.

ASSISTANT: We found a direct flight with Delta airlines, price is 200 in economy class. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been reserved with 1005 flight number.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.