You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book me a flight ticket from EWR to SEA to meet my family?

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: I have planned to travel on July 11th and return on July 13th.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: Dennis Johnson here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us.