You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide service to you?

USER: Jeffrey Martin here.

ASSISTANT: Ok.

USER: I would like to visit Houston Zoo with my friends, please help me in booking a ticket from MSP to IAH.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please share your travelling dates?

USER: My planned travel dates are on May 08 and May 10.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your class preference?

USER: Any class is comfortable for me.

ASSISTANT: Is there any other preferences?

USER: I would like to depart in the morning.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available as per your requirements.

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

ASSISTANT: Thank you for reaching us.