Hello. I am Edward Hall.
user
Hello, how may I help you?
assistant
I would like to travel from LGA to IAH, can you help me to book a flight ticket?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
My preferable journey dates are May 10 and May 12.
user
Do you have any requirements?
assistant
I would like to depart in the evening time.
user
May I know your other specifications?
assistant
I prefer connecting flight.
user
Sorry to say, no flight is available for you.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant