You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. May I know your good name?

USER: Reserve a ticket with the name of Pamela Carter with 1 connection.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly, mention your source airport code.

USER: Source point is New York, LGA.

ASSISTANT: When are you willing to start your journey from New York?

USER: From the source point, I will start my journey  on 11/25.

ASSISTANT: May I know your destination airport code?

USER: I have an exams at Houston, IAH. So that is my destination point.

ASSISTANT: Please, share your return date of journey.

USER: 11/27 is my return date.

ASSISTANT: Thank you for sharing your journey details. Please, give me a minute I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Thank you for your valuable time. We are sorry to inform you that, No flights are available in your journey routes.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us, have a good day.