You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am looking to modify my travel dates in the past ticket. Can you please help me to change the ticket details?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: My name is Kevin Williams .

ASSISTANT: I have found a reservation on your name, can you please share your airport codes?

USER: That's great, my nearest airport codes are OAK and SEA.

ASSISTANT: May I know your travelling dates please?

USER: My planned travel dates are Mar 25 and Mar 27.

ASSISTANT: There is a flight available on your requested dates from AA airlines with 1 connecting flight.Shall I confirm your booking?

USER: Can you please search for the direct flight?

ASSISTANT: Sorry, there is no direct flight available for your request.

USER: It's ok, not a problem with that. Anyways thank you for your time.

ASSISTANT: You are welcome.