You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Myself Catherine Baker. I need to book a ticket from DCA to PHL, could you help me in doing that?

ASSISTANT: Sure, please share your planned travel dates.

USER: My journey dates are 05/13 to 05/15.

ASSISTANT: Do you prefer a halt between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you prefer either economy or business class?

USER: No, I am comfortable with any class.

ASSISTANT: Please let me know if you have any other preferences.

USER: No, I don't have any requirements.

ASSISTANT: Thank you for your details, we have a flight from Frontier airline, number 1027 and the cost is 200. Shall I proceed with it?

USER: Please proceed.

ASSISTANT: Your economy class seat is reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.