You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Rodriguez.

ASSISTANT: What type of service are you expecting from me?

USER: Due to busy schedule since long time I haven't visited any new places, I got a free time for a short period so I would like to visit Charlotte this time. Can you help me in booking a flight ticket?

ASSISTANT: That's good, can I know the dates when you are planning this trip?

USER: Sure, I am planning for this trip from 02/05 till 02/07.

ASSISTANT: Could you please tell me your airport abbreviates?

USER: My source airport code is IAH and destination airport code is CLT.

ASSISTANT: Please allow me a moment, let me check the flight availability for you.

USER: Sure, I will wait for your response.

ASSISTANT: Flight 1021 in UA airlines is available for you with 1 drop of journey. Shall I proceed?

USER: Please search a direct flight to reach my destination.

ASSISTANT: Sorry, no direct flights are available on you route.

USER: That's ok, I will reach my destination with any other source.

ASSISTANT: Sorry for inconvenience. Thank you for availing us.