You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Katherine Taylor.

ASSISTANT: Glad to meet you Taylor.

USER: I am planning to attend a live music concert in EWR, can you please find a flight from DCA?

ASSISTANT: Sure, please provide me your travel dates to search best flight for you.

USER: My departure is on 05/21 and my return will be on 05/23.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Delta airline is providing flight for you with connection 2. Shall I proceed?

USER: please search a flight with 1 connection.

ASSISTANT: Sorry, I could not find any flight with your connection.

USER: That's ok, thank you for checking.

ASSISTANT: My pleasure.