You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

USER: Can you please help me in booking my flight from DFW to reach BOS?

ASSISTANT: Sure, when are you planning to start and return on?

USER: Thank you, my planned journey dates are June 3rd and June 5th.

ASSISTANT: Do you need a connecting flight?

USER: I prefer a direct flight for my journey.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the morning and return in the evening.

ASSISTANT: Can I know your good name?

USER: My name is Barbara Jackson.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Thank you.