Hello.
user
Hello, how can I assist you today?
assistant
Can you please help me to book a ticket from DCA to OAK?
user
Sure, when do you want to start and return on?
assistant
I want to depart on Sept 15 and return on Sept 17.
user
Do you prefer a connecting flight?
assistant
I need a single connecting flight.
user
Do you have any other requirements?
assistant
No.
user
Can I know your good name?
assistant
My name is Melissa Adams.
user
Thank you for your details, there are no flights found with the given details.
assistant
Ok, thank you for your response.
user
Thank you for your assistance.
assistant