You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please search a flight ticket from Atlanta to Washington?

ASSISTANT: Sure, may I know your budget limit?

USER: I can afford up to 1000.

ASSISTANT: Can you please share me your travel dates?

USER: My travelling dates are 07/26 and 07/28.

ASSISTANT: May I know the travel airport codes?

USER: My airport codes are ATL to DCA.

ASSISTANT: Please share your name.

USER: Myself Michelle Carter.

ASSISTANT: There is no flight on your details.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you.