You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: Myself Kathleen Edwards from Dallas. I want to go to PHL next week for attending a business meeting there. Can you please book a flight ticket from DFW?

ASSISTANT: May I  know your travelling dates please?

USER: Thank you for your positive response, I want to take off on 01/28 and please confirm my return ticket also on 01/30.

ASSISTANT: There is a flight with single connection, can I  proceed for booking in 1013 flight?

USER: May I know the price limit of this airline?

ASSISTANT: It cost you 700.

USER: My budget limit is 500. Can you please check once again?

ASSISTANT: I am sorry no flight found as per your price limit.

USER: Oh! It's ok no problem, I will contact another airline agency. Thank you for your information.

ASSISTANT: Thank you for choosing us.