Hi.
user
Hello, how may I help you today?
assistant
I would like to travel from IAD to LAX for my project work, could you please help me to book my flight ticket?
user
Sure, can I know your good name please?
assistant
My name is Linda Rodriguez.
user
 When you are willing to travel?
assistant
I would like to depart on May 5th and return back on May 7th.
user
Do you need direct flight or connecting flight?
assistant
I am looking for a connecting flight.
user
 Would you let us know if you have any other preferences?
assistant
No.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Sad to hear that. Anyway, thank you for checking.
user
Thank you for reaching us.
assistant