You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am David Thompson. I need to attend my sister's wedding in first united faith church at Seattle, can you please assist me in booking my flight ticket from New York NY-EWR?

ASSISTANT: Sure, may I know what is your final destination?

USER: My destination point is at WA-SEA.

ASSISTANT: Do you need a way station in the middle of your journey to SEA?

USER: Yes, I need a halt with in my journey.

ASSISTANT: May I know your planned dates of journey?

USER: My planned dates are from 08/16 to 08/18.

ASSISTANT: How much can you spend to purchase your ticket?

USER: I can afford up to 5000 as my budget is high.

ASSISTANT: Thanks for sharing your details. There are no flights available on your required dates.

USER: Ok, I will find out other alternative.

ASSISTANT: Thank you for picking us.

USER: Thank you.