You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend a business meeting at IAH, can you please avail me a flight ticket from MSP?

ASSISTANT: Yes, can you share me your dates of travel?

USER: My dates of travel are from Apr 2nd to Apr 4th.

ASSISTANT: Do you have any other specifications?

USER: I prefer a direct flight to travel.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: No issues, thank you for your information.

ASSISTANT: Can I know your name?

USER: I am Brenda Lee.

ASSISTANT: Thank you for reaching us.

USER: Welcome.