You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you/.

USER: I am Emily Smith. I am planning to go for 16th street mall at Denver, DEN. Can you please book a ticket on 09/23?

ASSISTANT: Sure, we are here to help you. May I know your source point?

USER: Source code is New York, EWR.

ASSISTANT: Let me know your return date?

USER: I want to return on 09/25.

ASSISTANT: Do you need any halts in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no connecting flights found on your details.

USER: No problem. Thank you.

ASSISTANT: Thanks for approaching us.