Hi.
user
Hello.
assistant
I am Sarah Johnson.
user
How can I help you?
assistant
I need a connecting flight in my journey, can you help me in booking?
user
Sure, may I know your airport codes please.
assistant
I will fly from ORD to LAX.
user
May I know your travel dates please?
assistant
My travelling dates are 05/28 to 05/30.
user
I am  sorry no flights found on your dates.
assistant
No issue, thank you.
user
Thank you for choosing us.
assistant