You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please check out is there any flight available between PHL and DCA?

ASSISTANT: Sure, please share your planned travel dates?

USER: Thank you, my departure is on Feb 14 and please book my return ticket on Feb 16.

ASSISTANT: Let me know your connection limit?

USER: I will prefer single connection.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: Sure, my name is Joseph Lopez.

ASSISTANT:  Southwest airline flight 1027 available with connection and fare is 100, shall I confirm this economy class flight?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: You are welcome.