You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you today?

USER: I am Deborah Clark. Can you help me in booking a flight ticket from SEA to JFK?

ASSISTANT: Sure, please provide me your travelling dates to search a flight.

USER: I want to travel on 09/26, and need to catch return flight on 09/28.

ASSISTANT: Do you want any halt between journey?

USER: Yes, I need a halt.

ASSISTANT: Sorry Deborah Clark, I could not find any flight with your travel dates as per your request.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for choosing us, have a great day.