You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from LAS to PHX, can you help me in booking a flight ticket?

ASSISTANT: Sure, please share your planned travel dates?

USER: Sure, my journey dates are Apr 21 and Apr 23.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable with any flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: Sure, Barbara Carter here.

ASSISTANT:  American Airlines flight 1024 available with connection and fare is 200, shall I confirm this economy class flight?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.