You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Michael Hernandez here. I need to travel from EWR to DEN, can you help me in doing that?

ASSISTANT: Sure, I am here to help you.

USER: My journey dates are July 07 to July 09.

ASSISTANT: Please help me with your connection limit.

USER: I need a single connection.

ASSISTANT: Do you have class preference?

USER: No.

ASSISTANT: Please share if you have any other preferences.

USER: My depart time is in evening.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you for your service.