You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Ruth Lopez.

ASSISTANT: How may I help you?

USER: I have to attend my business meeting at New York. Could you please help me for booking the ticket from ATL to LGA?

ASSISTANT: Ok, when you are willing to travel?

USER: I will depart on 11/17 and again I will be return back on 11/19.

ASSISTANT: Please hold on a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I could not find any flight on your route, sorry for the inconvenience.

USER: Not a problem, thank you for your information.

ASSISTANT: Thanks for consulting us.