You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: My name is Samuel Carter. I want travel from DTW to DFW.

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: Can you help me? I want to start my journey on 03/24 and return on 03/26.

ASSISTANT: Please wait a moment.

USER: Sure, take your time. Please make sure the price limit is 200.

ASSISTANT: Samuel Carter, according to your provided details of price limit 200. I couldn't find any flight on this route.

USER: That's ok, no problem I will plan my trip next time. Thank you for your help.

ASSISTANT: Thank you for contacting us.