You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: As I am an actor, I want to attend Film festival at Washington, IAD. Can you please book a ticket from OAK?

ASSISTANT: Sure, can you share your travel dates please?

USER: My travelling dates are June 29 and July 1.

ASSISTANT: Do you have any connection limit?

USER: I want single connected flight.

ASSISTANT: May I know your good name please?

USER: Sure, I am Nicholas Hernandez.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: Sorry, there are no flights on your required dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.