You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: I am Mark Robinson. Can you find a direct flight for me from DFW to BOS?

ASSISTANT: Sure, we are euphoric to help you. May I know your travelling dates?

USER: Sure, my journey dates are 05/12 and 05/14.

ASSISTANT: Ok, please give me a minute, I will check the availability of flights and revert to you.

USER:   Sure.

ASSISTANT: Thank you for your time, No flights were found with your given details.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for contacting us.