You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Kimberly Wilson.

ASSISTANT: How can I help you today?

USER: Can you please help me in booking a flight ticket from PHL to HOU locations?

ASSISTANT: Sure, can you please provide me your trip dates?

USER: My travelling dates are from 03/11 and 03/13.

ASSISTANT: Please be on hold, let me check for the best flight available.

USER: Ok.

ASSISTANT: Sorry Wilson, there are no flights available on your preferred dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for contacting us and have a nice day.