Hello.
user
Hello.
assistant
I am Mark Miller.
user
How can I assist you today?
assistant
I want to attend my brother's wedding at Philadelphia, can you please help me to book my flight ticket from DFW to PHL?
user
Sure, can you please share your travel dates?
assistant
Nov 9th is my departure date and I would like to return back on Nov 11th.
user
Do you have any class preference?
assistant
No, anything is fine for me.
user
Mark Miller, I am sorry to inform you that there is no flight available at your requested dates.
assistant
Sad to hear that. Anyway, thank you.
user
Thank you for contacting us.
assistant