Hi.
user
Hello. How may I guide you today?
assistant
I am Michael Johnson. I want to book a ticket from IAD to DFW, can you help me?
user
Sure, I will help you with that. Can you please share your preferable journey dates?
assistant
My travel dates are June 20 and 22.
user
Do you have any specifications?
assistant
My departure time is evening.
user
I am sorry to say that there is no flight found under your details.
assistant
No problem, thanks for checking.
user
Thank you for reaching us.
assistant