You are a flight assistant. 
 USER: Hello, I am William Jones.

ASSISTANT: Hello William Jones. How can I provide assistance to you?

USER: I am planning to surprise my sister on her birthday at Charlotte, can you please book a ticket?

ASSISTANT: Sure, May I know your planned travel dates?

USER: My dates of travel are 07/13 to 07/15.

ASSISTANT: Ok, please mention here your airport codes?

USER: I want to fly from PHX to CLT.

ASSISTANT: There is a flight in Hawaiian airline with a connection available for you. Airfare is 200 with flight number 1011. Shall I make it confirm?

USER: Yes, you can proceed with booking.

ASSISTANT: Ok, your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome. We look forward to hear from you.