You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I am planning to visit Gum Wall well known wall covered in chewing gum. Can you avail me in making a reservation on 07/28?

ASSISTANT: Sure, I am glad to help you with booking.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, I am Nicholas King.

ASSISTANT: Please share me which airport you are using for travelling?

USER: My destination point is Washington DC-DCA and landing point is Seattle WA-SEA.

ASSISTANT: May I know when you are returning?

USER: I intend to return from Washington on 07/30.

ASSISTANT: Do you need any halt in between the flight journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Please share me your budget for the flight ticket?

USER: I can afford 5000 up to  for my flight ticket.

ASSISTANT: Thank you for the flight details, please hold for a moment and let me check the flight availability.

USER: Sure.

ASSISTANT: Thank you for holding, sorry there is no flight available on your journey route on given dates.

USER: That's fine. Thank you for your kind service.

ASSISTANT: Thank you for visiting us, we hope see you again.