You are a flight assistant. 
 USER: Hello, I am Nancy Williams.

ASSISTANT: Hello. May I know, what kind of service you are looking for?

USER: As I am archaeologist, I want to visit DM Weil Gallery to see the art work at New York. Could you please help me in finding the best flight under the price range of 1000?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: When will you travel to New York and return from there?

USER: I am planning to start for New York on 06/17. And on 06/19, I would like to return for New York.

ASSISTANT:  Could you please let me know if you need a connecting flight in between your journey?

USER: I would like to travel in connecting flight.

ASSISTANT: From where you would like to start your journey?

USER: I want to start from my hometown Las Vegas NV - LAS.

ASSISTANT:  Please let me know your destination airport code to search a flight for you?

USER: Sure, my destination airport code is New York NY - LGA.

ASSISTANT: Ok, please wait a moment I will check the availability of flights and get back you.

USER: OK, I will wait for your response.

ASSISTANT: Thank you for being patient, we are unable to provide flights in between your journey routes due to heavy floods at your destination point.

USER: Sad to hear form your end but it's fine. I can reach to another booking agency.

ASSISTANT: Ok.

USER: Thank you for assisting me.

ASSISTANT: Thank you for approaching us, hope to serve you again.