Hi.
user
Hello.
assistant
I am David Lewis here.
user
How may I assist you?
assistant
I want to reserve my ticket from LAX to SFO to visit San Francisco, can you please help me?
user
Sure, may I know your planned travel dates please?
assistant
Sure, my preferable dates of journey are from Sep, 21 to Sep, 23.
user
Do you have any specifications?
assistant
Yes, I need a price limit of 200.
user
David Lewis, no flights has been found on your planned travel dates.
assistant
Ok, that's fine. Anyways, thank you for your service.
user
Thank you for approaching us.
assistant