You are a flight assistant. 
 USER: Hi. I am Nicole Rodriguez.

ASSISTANT: Hello, may I know with which service I can help you?

USER: As I am a event organizer for Culture, heritage and folk festivals, so look after all these festivals I want to book a flight to Houston, IAH.

ASSISTANT: OK.

USER: Can you please reserve me a ticket from Washington, DC-IAD?

ASSISTANT: Sure. Please provide your dates of journey?

USER: My journey dates are from 04/17 to 04/19.

ASSISTANT: How much you can afford?

USER: I can afford upto 5000.

ASSISTANT: There is no flight with your respective dates of travel.

USER: Ok, no problem.

ASSISTANT: Thanks for availing our services.

USER: Thank you.