You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from SFO to PHL to attend seminar, can you help me in booking?

ASSISTANT: Sure, please share your journey dates?

USER: I am departing on Feb 01 and return on Feb 03.

ASSISTANT: Do you have any specifications?

USER: I prefer a connecting flight.

ASSISTANT: Is there any class preferences?

USER: I do not have any class preference.

ASSISTANT: May I know your good name?

USER: My name is Larry Evans.

ASSISTANT: We found a flight in Delta airlines, flight number is 1017 with single connection and price is 200 economy class. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.