Hello.
user
Hello.
assistant
Myself Sandra Mitchell.
user
How can I assist you today?
assistant
I have to go Washington DC to study about recent developments so please help me with flight ticket booking.
user
Sure, can you please share your preferable travel dates?
assistant
Sure, I have planned my travel dates 05/23 and 05/25.
user
Could you please provide the airport codes?
assistant
Sure, I need to depart from OAK and return from IAD.
user
Ok, let me check for the availability of flight on this route.
assistant
Sure, take your time to check.
user
Sandra, I am sorry to inform you that there is no flight available at your requested dates.
assistant
Oh! It is sad to hear, anyway thank you for your time.
user
You are welcome. Thank you for contacting us.
assistant
Most welcome.
user