You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend a Wedding party in Washington DCA from PHX. Can you make a reservation for me?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, I want to airborne on Aug 21 and recur on Aug 23.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a single connecting flight to travel.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Ok, my name is Melisa Williams.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.