You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I want to travel to Chicago on my birthday to celebrate with my parents, can you help me with booking a ticket?

ASSISTANT: Sure, I am glad to help you. Do you need any connection in between your journey?

USER: Yes, I need a connection in between.

ASSISTANT: Is there any price limit?

USER: Yes, the price of the ticket should be under 5000.

ASSISTANT: Kindly mention your source and destination airports?

USER: Its from PHX-ORD.

ASSISTANT: When would you like me to book a ticket?

USER: I was thinking to travel on 06/03 and will return on 06/05.

ASSISTANT: To proceed further can I know your good name please?

USER: I am Deborah Harris.

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

USER: Sure.

ASSISTANT: We are very sorry to notify you that there is no flight found based on your details.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us, Have a great day.