You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Thomas Lewis here. I am looking for a direct flight from MSP to IAH.

ASSISTANT: Sure, may I know your travelling dates?

USER: I am leaving on 02/14 and returning on 02/16.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there are no flights available in this route based on your travelling dates.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.