You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Margaret Davis here. I want to go on a weekend trip to Dallas. Can you help me in booking a ticket from MCO to DFW?

ASSISTANT: Your travelling dates please?

USER: Ok, my planned trip dates are 07/08 and 07/10.

ASSISTANT: I am sorry no flights found on your route.

USER: Ok, not an issue. Thank you for helping me.

ASSISTANT: Thank you for choosing us.