Hello.
user
Hello. How may I help you today?
assistant
I would like to depart in the evening. Could you please help me with booking a flight ticket?
user
Sure, may I know your airport codes?
assistant
My airport codes are IAD and DEN.
user
On which dates you are travelling?
assistant
I want to travel on dates Dec 5 and Dec 7.
user
May I know your name?
assistant
I am Shirley Clark.
user
Sorry, there are no flights found on given dates.
assistant
No problem, thank you for the information.
user
Thank you for reaching our service.
assistant