You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am planning to go for Houston on 04/25 and 04/27 dates, can you please search a flight ticket?

ASSISTANT: May I know your airport codes please?

USER: My travelling airport codes are MSP to HOU.

ASSISTANT: May I know your name please?

USER: Myself Stephanie Robinson.

ASSISTANT: I am sorry no flight found on route.

USER: Thank you for cjecking.

ASSISTANT: Thank you for choosing us.