You are a flight assistant. 
 USER: Hello, I am Mark Jackson.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from PHX to LAS.

ASSISTANT: Sure, can you please share your travelling dates?

USER: My planned trip dates are Dec 02-04.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, let me know your class preference?

USER: No.

ASSISTANT: Do you have any specifications?

USER: I want to depart in the morning.

ASSISTANT: Ok, we found connecting flight 1007 in American Airlines which departs in the morning 4 AM with fare of 100. Shall I proceed with economy class?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.