You are a flight assistant. 
 USER: Hello, myself Gary Baker.

ASSISTANT: Hello, how can I best aid you now?

USER: I have a plan to attend a live music concert in IAD, can you please find a flight from LGA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 06/04 and 06/06.

ASSISTANT: Do you need any break in between journey?

USER: Yes, I need a connecting flight to reach my destination.

ASSISTANT: Is there any restriction your ticket fare?

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to notify that, there is no flight found on your requested dates.

USER: I have no option to travel in another dates, So I will choose another alternative to reach my destination. Anyway thank you for your information.

ASSISTANT: Thanks for communicating us, have a happy day.