You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Turner.

ASSISTANT: How can I assist you at this moment?

USER: I have to submit my project report in my university, so can you please help me in flight ticket booking?

ASSISTANT: Sure, I am happy to assist you in booking flight ticket. Could you please let me know your travel dates for booking flight ticket?

USER: Thank you and I have planned to move on 07/11 and might be back on 07/13.

ASSISTANT: May I know your preferable airport code names for further process?

USER: Sure, my preferable airport codes are from LGA to DFW.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Sure, I will wait.

ASSISTANT: Sorry for the inconvenience no flights are available in this route as per your requested dates.

USER: Ok, no problem with that one. Thank you for your service.

ASSISTANT: Thank you for reaching us, have a good day Anthony Turner.

USER: Welcome.