You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best amend you?

USER: I am Andrew Scott. I want to book a flight ticket on 05/28 and return on 05/30, can you help me with booking please?

ASSISTANT: Sure, do you need any halt in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you please let me know your airport codes?

USER: Yes, my airport codes are Seattle, WA-SEA and Oakland, CA-OAK.

ASSISTANT: Just wait for a minute.

USER: Ok.

ASSISTANT: Sorry to notify that there is a no connecting flight found on your requested dates.

USER: That's ok. Thank you for the response.

ASSISTANT: Thanks for choosing us, have a great day.