You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: I would like to make a flight ticket reservation from MCO to HOU, can you please help me?

ASSISTANT: Sure, I am happy to assist you in booking. Please share your name.

USER: Sure, my name is William Lopez here.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: Flight has to be with single connection.

ASSISTANT: Can you please share your planned travelling dates to proceed further?

USER: my planned travelling dates are Jun, 28 and 30 respectively.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: Yes, I would like to depart at afternoon.

ASSISTANT: Ok, please wait a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting,  we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for availing us.