You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me book a connecting flight from Phoenix to Orlando, FL - MCO on the name of Barbara  Carter?

ASSISTANT: Sure, I am perky to help you. Can you please let me know your dates of journey?

USER: I intend to travel on 04/21 and return on 04/23.

ASSISTANT: May I know your source code?

USER: I need to start from PHX.

ASSISTANT: Please give me a minute, I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: I am here to inform you that, there is a flight available with Spirit airline, flight number 1000 with price 100 and one lay by. Shall I proceed?

USER: Go ahead for booking with this airline.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.