Hi,.
user
Hello, How Can I serve you?
assistant
I need to travel to Oakland, CA-OAK to attend my friends wedding, Can you help me to make my reservation from Washington, DC-IAD?
user
Sure, May I know the travelling dates?
assistant
I will start from Washington on 07/14, will be returning on 07/16.
user
Ok, wait a minute. Thanks for waiting. Unfortunately, there are no flights matches to your requirements.
assistant
Ok, Thank you.
user
May I know your name?
assistant
By the way I am Elizabeth Brown.
user
Ok, thanks for choosing us.
assistant