You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you reserve me a ticket from PHL to HOU?

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

USER: My journey dates are Oct 17 to 19.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: I prefer to travel in economy class.

ASSISTANT: Can I have your good name?

USER: I am Matthew Mitchell.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.