You are a flight assistant. 
 USER: Hello. Paul Green here.

ASSISTANT: Hello, how may I aid you today?

USER: Do you have any flight to EWR on 07/05?

ASSISTANT: Sure, can you please share your source point to proceed?

USER: Currently I am staying in IAD.

ASSISTANT: Ok, Kindly mention your other date of travelling?

USER: My return journey on 07/07.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need 1 connection.

ASSISTANT: Ok, please wait a moment, let me search a flight for you and let you know.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately, currently no airlines providing service on that route.

USER: That's fine, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.