You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Melissa Campbell.

ASSISTANT: How can I support you?

USER: Can you please hold me a flight ticket from Boston, MA- BOS to reach Dallas & Fort Worth, TX - DFW?

ASSISTANT: Sure, may I know your journey dates please?

USER: My trip dates are 04/08 - 04/10.

ASSISTANT: What do you prefer either connecting flight or direct flight?

USER: I need a direct flight to reach my destination.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there were no flights available with your given requirements.

USER: Not a problem, thank you for your information.

ASSISTANT: Thanks for contacting us.