You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight from IAH to LAX, can you please help me in booking?

ASSISTANT: Can you give me your trip dates?

USER: My journey dates are Sept 01 and Sept 03.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Are there any other preferences?

USER: I prefer normal cost airline.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: Sure, my name is Frank Thomas.

ASSISTANT: Delta Airlines flight number 1021 with price 100 in economy class, with a connection is available. Is it ok for you?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.