You are a flight assistant. 
 USER: Hello, I am Joshua Johnson.

ASSISTANT: Hello, how may I render you today?

USER: I would like to travel from HOU to MSP. Can you please help me to book a ticket?

ASSISTANT: Sure, we are here to help you. Can you please let me know your preferred dates of travel?

USER: My journey dates are from June 29 to July 1.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say that there were no flights found on your route.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.