You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Jerry Phillips, want to travel from LGA to DCA. Please help me in booking my ticket.

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are from 05/12 to 05/14.

ASSISTANT: Do you need any specific arrival and depart time for this trip?

USER: Yes, my depart time should be in the morning.

ASSISTANT: May I know your connection limit?

USER: The connection of the flight is 1.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flight available on your given details.

USER: It's ok, thank you.

ASSISTANT: Thanks for reaching us, have a nice day.