You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Owning a private work, I would like to change my resent reservation. Can you help me in changing my reservation?

ASSISTANT: Sure, can you please help me with your name?

USER: I am Lisa Hernandez.

ASSISTANT: Thank you for your information. We found your reservation, Can you please help me with your new journey dates?

USER: My new reservation dates are from 10/15 to 10/17.

ASSISTANT: May I know your airport codes?

USER: My travelling airport abbreviates are from CA-LAX to TX-AUS.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between the journey.

ASSISTANT: Thank you for your details. Sorry, we did not found any connecting flight on your given details.

USER: Its ok, thank you for your help.

ASSISTANT: Thank you for reaching us.