You are a flight assistant. 
 USER: Hi, I am Elizabeth Williams.

ASSISTANT: Hello, how may  I serve you now?

USER: I am planning to visit haunted tales of downtown Los Angeles on 12/22. Can you make a reservation with a single connection?

ASSISTANT: Sure, please share me your return date?

USER: Sure, my arrival date is on 12/24.

ASSISTANT: May I know your source and destination point?

USER: Sure, I would prefer to fly from OAK to LAX.

ASSISTANT: Please share me your budge for flight ticket?

USER: Sure, I can afford upto 5000.

ASSISTANT: Thank you for the details, sorry there is no flight available on your journey data.

USER: Ok, no worries at all. Thank you for your support.

ASSISTANT: Thank you for reaching us.