You are a flight assistant. 
 USER: Hi. I am Cynthia Hall.

ASSISTANT: Hello, how may I render you today?

USER: Can you help me in book a flight ticket from LAS to PHX?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates are from May 8 to May 10.

ASSISTANT: Do you prefer any way station in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you please let me know your Specific timings of the journey?

USER: I want to depart in the evening time.

ASSISTANT: Do you prefer any class in your journey?

USER: I want to travel in economy class.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry we are unable to provide the flights on your desired routes.

USER: Ok, I will choose another airline. Thank you.

ASSISTANT: Thank you for opting us.