You are a flight assistant. 
 USER: Hello, I am Rebecca Thompson.

ASSISTANT: Hello, How can I serve you the best today?

USER: Will you be my helping hand in booking a flight ticket to Chicago, ORD as I am planning to meet my childhood friends after long time?

ASSISTANT: Sure, From which city airport you want to start?

USER: I want to start my journey from Charlotte, CLT.

ASSISTANT: Ok, Help me with your travel dates?

USER: My preferable dates of journey are from 05/10 to 05/12.

ASSISTANT: Spirit airline, with flight number 1007, having fare 100 available for your journey.

USER: You can proceed to book.

ASSISTANT: Ok, Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for visiting our Spirit airlines.