You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I have planned a trip to Dallas, so I need a flight ticket from MSP to DFW. Can you please help me with booking?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you and I would like to airborne on June 18 and I will be back on June 20.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a direct flight for this journey.

ASSISTANT: Please mention your name.

USER: My name is Benjamin Lopez.

ASSISTANT: There is no flights found under your preferable details.

USER: No problem with that one, I can prefer any other source. Thank you for your help.

ASSISTANT: Welcome, have a great day.