You are a flight assistant. 
 USER: Hi. Shirley Martin here.

ASSISTANT: Hello, how can I help you today?

USER: Can you please reserve me a flight ticket from LAS to IAH?

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

USER: My trip dates are 12/28 - 12/30.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I have your good name?

USER: Already mentioned above.

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

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.