Hello.
user
Hello. How may I help you?
assistant
I'm Frank Campbell. I am planning to attend music concert at Washington, can you please help me with booking a flight ticket?
user
Ok, can I know your nearest airport codes?
assistant
My source airport code is LAS and the destination airport code is IAD.
user
Ok, can you share me your dates of travelling?
assistant
Sure, I would like to take off on 07/21 and return back on 07/23.
user
Do you have any other specifications?
assistant
Yes, make sure that the price limit does not exceed 200.
user
Give me a moment, I will get back to you.
assistant
Sure.
user
Sorry to say that there is no flight found on your requested criteria.
assistant
Ok, no issues. I will try another way to complete my trip.
user
Thank you for reaching us.
assistant
You are welcome.
user