You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Evening.

USER: Good Evening.

ASSISTANT: How may I abet you today?

USER: My friend is admitted in Charlotte International Hospital. So, I want to go there to meet her.

ASSISTANT: Ok, may I know your nearest airport code and if you know about your destination airport code, then please let me know.

USER: My airport codes are from EWR to CLT.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 04/19 to 04/21.

ASSISTANT: There is a flight available for you in AA airline. Can I proceed?

USER: Please proceed.

ASSISTANT: Can I know your name?

USER: Myself Jason Brown.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: You are welcome.