Hello. I am Christine Taylor.
user
 Hello, how may I oblige you today?
assistant
Can you make me reservation from SFO to IAD?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
Sure, my journey dates are 03/16 and 03/18.
user
I am sorry there are no flights on your route.
assistant
No problem. Thank you for your information.
user
Your welcome.
assistant