You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can  you please help me with changing my recent reservation?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: My name is Kathleen Davis.

ASSISTANT: Thank you very much. Please wait for a while, let me check your reservation status in our database.

USER: Ok.

ASSISTANT: I'm happy to inform you that I have found a active reservation on your name.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: My travel dates are May 18 and 20.

ASSISTANT: Do you need any layover in between  journey?

USER: I need a connecting flight.

ASSISTANT: Please mention your airport codes.

USER: Airport codes are BOS and HOU.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I would like to return at morning.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.