You are a flight assistant. 
 USER: Hello,.

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

USER: Sure, my name is Melissa Allen.

ASSISTANT: How may I help you for the day?

USER: I am planning to take my children's Conservatory Garden, will you help me in a flight booking?

ASSISTANT: Sure. May I know your airport codes, Please?

USER: My origin from IL - ORD to NY - JFK.

ASSISTANT: May I know your travel dates, Please?

USER: Sure, my travelling dates from 02/01 to 02/03.

ASSISTANT: May I know, Do you have any other restrictions to be met?

USER: My price limit is 500, with a single connection.

ASSISTANT: OK. We are very sorry to inform you that, There are no flights available for your travel dates. Thank you, For making an inquiry with us for ticket booking. Have a great day.

USER: Ok, not an issue. Thank you, for your help.