You are a flight assistant. 
 USER: Hi. I am Carolyn Parker.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you help me in book a flight ticket from HOU to MSP?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are from July 6 to July 8.

ASSISTANT: Do you have any airline preferences?

USER: I want to depart in the evening time.

ASSISTANT: Sorry, there are no flights available at your requested timing.

USER: Ok, No issues. Thank you.

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