You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I aid you?

USER: I am planning to attend a sports festival at Dallas & Forth Worth so, can you please avail me a flight ticket?

ASSISTANT: Sure, we are mirthful to aid you.

USER: Thank you.

ASSISTANT: Where are you heading from?

USER: I am heading from New York, NY-EWR.

ASSISTANT: Kindly, mention your dates of travel.

USER: I want to travel on 09/04 and return on 09/06.

ASSISTANT: Help me with your destination code to proceed with further booking.

USER: Destination airport code is TX-DFW.

ASSISTANT: Do you have any other specifications?

USER: I need a lay by in between my journey.

ASSISTANT: Please, wait for a while I will check the availability of flights revert to you.

USER: Sure.

ASSISTANT: Thanks for being patience,  there is no flight found to your route on the specified dates of your travel.

USER: Not a problem, thank you for the information.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, Daniel Lopez is my name.

ASSISTANT: Thanks for reaching us, have a nice day.