You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Elizabeth Lee here.

ASSISTANT: Can you please let me know what kind of help do you want from us at this moment?

USER: I am very interested in Hiking and cycling. So, I am willing to visit Hiking and cycling at Bear Mountain in Denver. Can you please help me to reserve a flight ticket in the month of July?

ASSISTANT: Yes, I feel mirthful to help about your reservation. For searching a flight ticket can you please let me know your genius code and terminus code?

USER: Thank you for considering my request. My genius code is LGA and terminus code is DEN.

ASSISTANT: You are welcome, can you please provide me your advent dates for further proceedings?

USER:  Yes, my advent dates are 07/01 and 07/03.

ASSISTANT: Ok, please wait for a short time. I will search a flight ticket as per your requirements and I can let you know.

USER: Ok, please make sure that there should be 1 connected flight. That really suits for me to fly Denver, please reserve this flight ticket.

ASSISTANT: Sorry for the inconvenience caused, no flights will run on those days to that locations due to tornado alert.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for communicating with us, hope to serve you better next time.