Hi. Matthew Turner here.
user
Hello, how may I aid you?
assistant
Can you book a flight ticket for my airport codes that is from DEN to LGA?
user
Sure, help me with the trip dates?
assistant
The travel dates are from 07 Aug to 09 Aug. I need a single connecting flight.
user
Do you have any preferences?
assistant
 I would like to depart in the evening time. I need a normal-cost airline.
user
Thank you for your details, we do not found any flights running in your preferred dates.
assistant
Ok, that is not a problem. Thank you.
user
Thank you for reaching us.
assistant