Hi. I am Richard Johnson.
user
Hello. How can I help you?
assistant
Please search flights on these airport codes DEN to LGA to attend my dance event?
user
Sure, please tell me your travelling dates.
assistant
My travelling dates are 11/10 and 11/12.
user
Sorry, all flight tickets are sold out in your requested month.
assistant
Oh! That's really sad to hear this, ok I will complete my journey in another way. Thank you for your services.
user
My pleasure, thank you for opting us.
assistant