You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you reserve a ticket on my name Eric Lopez to Denver, DEN?

ASSISTANT: Sure, can you please provide your journey dates?

USER: The journey dates of my travel are 01/28 to 01/30.

ASSISTANT: May I know your price limit?

USER: I can afford an amount of 5000.

ASSISTANT: Please share your origin?

USER: I will start from a place which is famous for tourism, Phoenix, PHX.

ASSISTANT: Do you need any halt?

USER: Yes, it will be comfortable to travel with a connecting flight.

ASSISTANT: Thanks for providing your details.

USER: Ok.

ASSISTANT: Unfortunately there are no flights found with your given requirements.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for connecting with us.