You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from DFW to HOU, can you help me out?

ASSISTANT: Sure, can you share me your trip dates?

USER: My trip dates are from Jul 17 till Jul 19.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer business class flight.

ASSISTANT: Can I have your good name?

USER: Myself Angela Robinson.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.