You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have a business meeting in Fort Worth, can you please help me for booking?

ASSISTANT: May I know your airport codes?

USER: My airport codes are SEA and DFW.

ASSISTANT: What are your planning dates?

USER: My departure date is on 05/31 and return date is on 06/02.

ASSISTANT: Please hold on for a while. I found a direct flight with your planning dates.

USER: My connection limit should be 1.

ASSISTANT: Sorry, there is no flight found with your requirement.

USER: That's ok, thank you for checking.

ASSISTANT: May I know your name?

USER: My name is Donna Johnson.

ASSISTANT: Thank you for reaching us.