You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Carolyn Thomas.

ASSISTANT: How can I support you?

USER: I am planning to visit historic symbol of America Liberty Bell at PHL, can you help me with booking?

ASSISTANT: Sure, do you need any halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, from where you want to board?

USER: I would like to board from Austin, TX-AUS.

ASSISTANT: Is there any restriction on fare?

USER: Price should not exceed 1000.

ASSISTANT: May I know your planned travel dates please?

USER: My planned dates are from 05/29 to 05/31.

ASSISTANT: Please wait for a while, I will revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a connecting flight from an UA airline of price 100 and flight number 1015. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for opting us.