You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: I am Betty Young.

ASSISTANT: Betty, how can I help you?

USER: I want to attend a wedding in New York, can you book a ticket?

ASSISTANT: May I know the travelling dates of your journey?

USER: My trip dates are 06/07 and 06/09.

ASSISTANT: Ok, May I know the source and the destination details?

USER: It is from DCA to LGA.

ASSISTANT: Sorry Betty, there are no flights found on your requirement.

USER: No problem, I will search another way to complete my trip.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Anyway thank you for searching.

ASSISTANT: You are welcome.