You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christine Evans.

ASSISTANT: How can I aid you today?

USER: I would like to travel to Philadelphia, PHL to visit Independence Hall. Can you help me in booking a flight ticket with fare 500?

ASSISTANT: Ok, I will help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My planned journey dates are from 09/22 to 09/24.

ASSISTANT: From where you wish to board?

USER: I wish to board from Dallas, DFW.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a flight with single connection only.

ASSISTANT: You have a flight 1028 in Spirit airline and price 200 with a connection. Can I make reservation?

USER: Yes, you can.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you.