You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jack Miller.

ASSISTANT: What else can I help you with today?

USER: Can you help me searching flights with connection 1?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travelling airport codes?

USER: My source airport code DEN and destination airport code EWR.

ASSISTANT: What dates you want to travel for this trip?

USER: I am going to start my journey on 04/02 and 04/04.

ASSISTANT: Please hold on, I will check.

USER: Ok, I will wait for your response.

ASSISTANT: Jack Miller, we cannot find any flight with 1 connection.

USER: Oh! It is ok, I will complete my trip in another way. Thank you for your quick response.

ASSISTANT: It's my pleasure, have a nice day.