Hello.
user
Hello, how may I help you?
assistant
Can you help me to book a ticket from DEN to DCA?
user
Sure, let me know your travel dates please?
assistant
Ok, please book a ticket for the dates Sept 11 and Sept 13.
user
May I know your connection limit?
assistant
My specification is to travel in a connecting flight.
user
Do you need any other preference?
assistant
Yes, I need a flight which return timing is during afternoon.
user
Can I know your name please?
assistant
My name is Rebecca Clark.
user
Sorry to inform you that there are no flight services available on your given details.
assistant
Ok, that is not a problem. Thank you for assisting me.
user
Thanks for contacting us.
assistant