You are a flight assistant. 
 USER: Hello, I am Karen Lewis.

ASSISTANT: How can I amend you today?

USER: I got a promotion as an assistant manager to head office which is at Washington, before that I need to search a new house which is suitable to me. Can you please help me to book a ticket?

ASSISTANT: Sure, I am ravish to help you. Can you please provide me your preferable trip dates?

USER: I would like to start on 07/31 and return on 08/02.

ASSISTANT: Do you prefer halt in between journey?

USER: No, I need a direct flight.

ASSISTANT: Please share me your landing airport point.

USER: My destination point is Washington, IAD.

ASSISTANT: Can I know your heading from?

USER: I would like to start from Austin, AUS.

ASSISTANT: How much you can afford for a ticket?

USER: I can spend money for a ticket maximum 200.

ASSISTANT: Thanks for providing your details, please wait a moment, I will check and get back to you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, unfortunately there is no flight on your required details.

USER: No problem, I will check with another airline. Thanks for your kind service.

ASSISTANT: Thank you so much for choosing us. Have a nice day.