You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Kathleen Green. I am planning to travel from LAX to LAS, could you please help me with that?

ASSISTANT: Sure, Green could you provide me your travelling dates?

USER: Departure date is 07/28 and return date is 07/30.

ASSISTANT: Yes, I found a flight-1028 with Jet blue airlines can I proceed?

USER: Make sure that the price limit should not exceed 500 and connection limit should be zero.

ASSISTANT: Sorry, Green no flights available with 0 connection limit.

USER: That's really sad. Anyways, thank you for the information.

ASSISTANT: OK, thank you for approaching us.

USER: You are welcome.