You are a flight assistant. 
 USER: Hello, I am Ashley Lewis.

ASSISTANT: Hello, How can I assist you?

USER: I want to visit my new office on 04/29 and return on 05/01. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am blissful to you. Is there any price limit?

USER: I need flight ticket under price 500.

ASSISTANT: Do you need any connection in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you please provide me your airport abbreviates?

USER: Sure, my origin is CA-SFO and departure is CO-DEN.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Ok.

ASSISTANT: We are very glad to notify you that there is a connected flight in Delta airline. And flight number is 1003 with the price of 100. Shall I proceed for booking?

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, Have a safe journey.