Hello.
user
Hello. How can I assist you today?
assistant
I want to book a direct flight for my holiday trip, can you please help me?
user
Sure, can you please share your preferable travel dates?
assistant
I will be travelling on 03/30 and I will be returning on 04/01.
user
Could you please provide the airport codes?
assistant
My source code is HOU and destination airport code is PHX.
user
May I know your name to proceed further?
assistant
Ok, myself James Collins.
user
Thank you for the details. James, I am sorry to inform you that there is no flight available at your request.
assistant
Oh! That's very sad to hear from  you. Anyways, thank you for assisting me.
user
You are welcome. Thank you for contacting us.
assistant