You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Melissa Roberts, can you help me to book a flight ticket from MSP to PHX?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: Ok, the travel dates are 07/11 and 07/13.

ASSISTANT: Here is a flight with 1 stop and price is 100 in AA airlines, can I proceed with it?

USER: Yes, go ahead. If there is a direct flight.

ASSISTANT: Sorry Roberts, there is no flight in your route.

USER: That's ok, not a problem. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.