You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking my flight ticket from MSP to DFW?

ASSISTANT: Ok, please provide your travelling dates too.

USER: My travelling dates are 04/02 and 04/04.

ASSISTANT: In the meanwhile, may I know your name?

USER: Ok, sure. Myself Laura Smith.

ASSISTANT: Thanks for your details, there is no flight found on your route.

USER: Ok, fine thank you for checking.

ASSISTANT: Ok, thanks for reaching us.