You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I have an emergency meeting in San Francisco, can you please search a flight ticket with 0 connection limit?

ASSISTANT: Sure, could you please share your name to proceed further?

USER: Myself Stephen Campbell.

ASSISTANT: Kindly mention your airport codes?

USER: My source code is IAD and my destination code is SFO.

ASSISTANT: May I know when would you like to travel?

USER: My travel dates are 02/09 and 02/11.

ASSISTANT: Please mention your price limit?

USER: My price limit is 1000.

ASSISTANT: Ok, please wait for a while, I will get back to you.

USER: Ok.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no fights found on that day.

USER: Ok, fine not an issue.

ASSISTANT: Thanks for reaching us, have a great day ahead.

USER: Thank you for your information.