You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit New York to meet my friend, can you please book me a ticket from IAH to LGA?

ASSISTANT: Sure, May I know your travelling dates?

USER: My preferable journey dates are Dec 07 and Dec 09.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Is there any other preferences?

USER: I would like to travel in a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Michelle Evans.

ASSISTANT: You have a connecting flight 1011 in Delta airline and price 100 with a economy class, Shall I proceed?

USER: That's ok for me. Please reserve my ticket in this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.