You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from DCA to JFK, can you please help me to make a reservation?

ASSISTANT: Sure, let me know your planned journey dates?

USER: I want to travel on Sept 09 and return on Sept 11.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Stephanie Carter.

ASSISTANT: I found a Frontier airline with flight number 1024 and fare 100 with class is economy. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.