You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Michelle Harris. I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please let me know your preferred airport codes?

USER: My source airport code is SEA and destination airport code is ORD.

ASSISTANT: Ok, may I know your travel dates?

USER: I would like to take off on 01/27 and return on 01/29.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I found a direct flight available with UA airlines. Is it ok for you?

USER: But I am looking for a connecting flight.

ASSISTANT: Sorry Harris, there are no flights available with 1 connection on your given dates.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: You are welcome and thank you for contacting us.