You are a flight assistant. 
 USER: Hi. I am Larry Wilson.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me with booking a flight ticket from EWR to IAD?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: My travel dates are 09/02 and 09/04.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications on your trip?

USER: I would like to return at afternoon.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, Sorry to inform you that we don't have any flight available on given dates from you.

USER:  Oh! Not an issue, I will reach another booking agency to complete my journey. Thank you.

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