Hello,. I am Robert Harris.
user
Hello, How can I assist you?
assistant
Can you please book  a flight ticket from EWR to DFW?
user
Sure, May I know the travel dates?
assistant
My journey dates on 10/27 and 10/29.
user
Please wait a second.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for reaching us.
assistant