You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Please book a ticket from EWR to IAH to attend Arts and Crafts festival.

ASSISTANT: Sure, can you mention your travel dates to check for flights?

USER: My travelling dates are Sept 20 and Sept 22.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any specific travel timings?

USER: My depart time is afternoon.

ASSISTANT: Any other preferences?

USER: I want single connected flight.

ASSISTANT: Ok, may I know your name to proceed further?

USER: Sure, I am Timothy Baker.

ASSISTANT: Sorry, no flights are running on your planned travel dates on that route.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.