Hi.
user
Hello.
assistant
I am Rachel Mitchell.
user
How may I help you today?
assistant
I need a connecting flight in my journey, can you help me in booking?
user
I am happy to help you with that, can you please share your travelling dates?
assistant
My travelling dates are 11/28 to 11/30.
user
May I know your airport codes to proceed further?
assistant
I will fly from IAD to OAK.
user
Please wait for a moment.
assistant
Ok.
user
I am sorry to say that there is no flight  found.
assistant
No issue, thank you.
user
Thank you for your help.
assistant