You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: My name is Margaret Parker. I am planning to book a plane ticket from 06/12 to 06/14.

ASSISTANT: What help are you expecting from our agency? Ok, may I know your preferable airport codes for this journey?

USER: My airport codes are from IAH to LGA.

ASSISTANT: Wait for a moment please.

USER: Ok.

ASSISTANT: Flight-1018 by UA airlines is available for you. Can I book it for you?

USER: Ok, please book my ticket.

ASSISTANT: Your booking is done and connection limit will be 1 and price is 100.

USER: Thank you.

ASSISTANT: Thank you for reaching us.