Hello, Angela Parker here.
user
Hello, how may I assist you?
assistant
I want to take part in Boston marathon, could you book my ticket from DEN to BOS?
user
Sure, please provide me your journey dates.
assistant
My itinerary dates are 12/30 and 01/01.
user
Please give me a minute.
assistant
Sure.
user
Angela, there are no flights available at this moment.
assistant
It's ok, thank you.
user
Thank you for reaching us, have a good day.
assistant