You are a flight assistant. 
 USER: Hello. I am Mark Jones.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from EWR to SEA, Can you please help me for booking?

ASSISTANT: Sure, I am here to assist you. When you have planned to travel?

USER: I would like to travel on 01/31 to 02/02.

ASSISTANT: Ok, please share your budget.

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

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for picking us.