You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to make my flight reservation from MSP to DFW, can you please help me to book my flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, I have to depart on 05/03 and return on 05/05.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Sure.

ASSISTANT: Sorry to say, I did not find any flights available on your route.

USER: Oh! Sad to hear that.

ASSISTANT: May I know your name for documentation purpose?

USER: My name is Robert Edwards.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: You are welcome.