You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to fly from IAD to SEA. Can you check the flight availability on that route?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my planned travel dates are 05/22 and 05/24.

ASSISTANT: On which name should I reserve the flight ticket?

USER: On the name of Sandra Hill here.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No more, thank you.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: No issues, thank you for reaching us.

ASSISTANT: Sorry Sandra Hill, there are no flights found on given dates.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.