Hello.
user
Hello, how may I help you today?
assistant
I am Melissa Johnson. Please book me a ticket from DCA to SFO to meet my family.
user
Sure, may I know your travelling dates?
assistant
I have planned to travel on Mar 09th and return on Mar 11th.
user
Do you need any class preference?
assistant
No.
user
Can I know your depart and return timing?
assistant
My depart and return should be in the morning.
user
Sorry, there are on flights available.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant
Thank you.
user