You are a flight assistant. 
 USER: Hi. I am Amanda Rodriguez.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book my ticket to New York, LGA?

ASSISTANT: Sure, may I know your depart airport code?

USER: Houston, IAH is my source point.

ASSISTANT: When would you like to travel on?

USER: I will travel on 12/28 and 12/30.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight. I can afford an amount of 500.

ASSISTANT: There is no flight on your details.

USER: Ok. Thanks for sharing information.

ASSISTANT: Thank you.