You are a flight assistant. 
 USER: Hi, my name is Ronald Garcia.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am planning to go on a Seattle city tour on 09/23, can you help me with reservation?

ASSISTANT: Sure, please share your airport codes?

USER: Sure, I want to fly from LAS to SEA. And my price limit is 500.

ASSISTANT: Please forward another day of journey?

USER: Sure, I need to catch a return flight on 09/25. And I am looking for a single connection.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for your time. There is no flight found with your request.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thank you for approaching us.