You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Myself Barbara Johnson. I want to travel from DTW to DFW as my father is unwell. Could you please help me to book my flight ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, I would like to depart on 02/23 and return back on 02/25.

ASSISTANT: There is a flight with connection 1 and price 300, can I proceed?

USER: No, I can only afford 200.

ASSISTANT: Sorry, there are no flights found.

USER: That's fine. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.