You are a flight assistant. 
 USER: Hello, I am Rebecca Miller.

ASSISTANT: Hello, how can I assist you today?

USER: I need to reach Houston, TX  - HOU to attend a live concert over there. Can you book me a plane ticket from New York, NY - LGA?

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: I am planning to leave on 12/04 and arrive on 12/06.

ASSISTANT: How much you can afford for your ticket?

USER: I can pay up to 500.

ASSISTANT: Do you need any flag stop in between your journey?

USER: Yes, I would feel more comfortable if I get a break in between.

ASSISTANT: Ok, wait for a while I will check the availability of flights on your details and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. There are no flights found on your requested details.

USER: That's alright, thanks for the information.

ASSISTANT: Thanks for approaching us.