You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jonathan White.

ASSISTANT: How may I aid you?

USER: Can you please help me in booking a flight ticket from DCA to JFK locations?

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are from 05/26 and 05/28.

ASSISTANT: In Southwest airline, 1026 flight is available with 1 connection and ticket fare is 300. Shall I go with this for ticket booking?

USER: My fare is just 200, can you please check with my fare?

ASSISTANT: Sorry, there is no flight in your budget.

USER: It's ok. Thank you for the information.

ASSISTANT: Most welcome.