You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please book a flight ticket from PHL to ORD?

ASSISTANT: Sure, May I know your travelling dates?

USER: Thank you. I have planned my travel dates as Aug 12 and Aug 14.

ASSISTANT: Do you have any preferences?

USER: I would prefer economy class to travel.

ASSISTANT: May I know your name?

USER: Sure, myself Richard Smith.

ASSISTANT: Is there any other preferences?

USER: I am looking for single connecting flight so please make sure that.

ASSISTANT: You have a flight 1003 in JetBlue airline and price 100 with a connection, Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you.