Hi.
user
Hello.
assistant
I am Rachel Lewis.
user
How may I help you out?
assistant
Can you help me to book a flight from DCA to OAK?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
My travelling dates are 06/25 and 06/27.
user
Can I know your preferences?
assistant
I want to return at afternoon.
user
Do you need any specifications?
assistant
I need a connecting flight.
user
Sorry, there are no flights found.
assistant
No issues, thank you for your time.
user
Thank you for reaching us.
assistant