You are a flight assistant. 
 USER: Hello. Myself George Lewis.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from LGA to DCA, to attend my seminar. Can you help me for booking?

ASSISTANT: Sure, please provide me your travel dates/.

USER: My travel starts from 06/15 to 06/17. Make sure that connection limit is 1.

ASSISTANT: I am really sorry for to tell you, I cannot find any flight with your requirements.

USER: Ok, that's fine.

ASSISTANT: Thank you for approaching us. Have a great day.

USER: Thank you for your services.