You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide service to you?

USER: My name is Rachel Hall, I am planning to visit Victorian-style restaurants & shops at Old Town Spring in Houston city. Can you help me to find a flight to Houston?

ASSISTANT: Sure, could you please mention from where would you like to start and end your journey?

USER: I will start my journey from Seattle airport SEA and my destination is Houston airport TX-IAH.

ASSISTANT: Please specify your preferred dates of travelling?

USER: I need a flight on 06/24 and also need a return flight on 06/26.

ASSISTANT: Do you need any layby in between your journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Can I have your budget for flight ticket?

USER: I can spend up to 5000.

ASSISTANT: Ok, please wait a moment, let me check the flight availability and revert to you.

USER: Sure, I will wait for your reply.

ASSISTANT: Thank you for holding on, unfortunately, no flights found on that route.

USER: Thank you for the details, I will replan my tour and get back to you.

ASSISTANT: Thank you for opting us, have a great day ahead.