You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to change my destination airport code, please help me in changing my existing reservation.

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: My name is Rebecca Hill.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting we found reservation on your name. Can you share me your new journey details?

USER: My nearest airport codes are HOU and CLT.

ASSISTANT: Let me know your travelling dates?

USER: My planned journey dates are 06/11 and 06/13.

ASSISTANT: Ok, wait for some time I will check the availability of flights on your details and get back to you.

USER: Sure, take your time.

ASSISTANT: We found UA airline with connecting flight and number 1005 fare of 100. Shall I confirm it?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.