Hi.
user
Hello.
assistant
I am Helen Miller here.
user
Miller, how may I guide you?
assistant
I want to reserve my ticket from IAD to LAS, can you please help me to book a ticket?
user
Sure, I am here to help you. When would you like to travel?
assistant
Sure, my willing to travel dates are from 05/15 to 05/17.
user
Just a moment.
assistant
Sure.
user
Miller, sorry to inform that no flights are available on your prefer dates.
assistant
Ok, no problem. Anyways, thank you for your service.
user
You are most welcome, thank you Miller for contacting us.
assistant