You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Jonathan Hernandez. I am planning to give surprise my friend on her birthday at Los Angeles, LAX. Can you please book a ticket on 09/18?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: May I know your take off point?

USER: Source code is Boston, BOS.

ASSISTANT: When will you come back to Boston?

USER: I will return on 09/20.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we have a connecting flight in Frontier airline at a price of 100 only.

USER: You can proceed.

ASSISTANT: Your booking has been done in flight 1007.

USER: Thank you.

ASSISTANT: Thank you for reaching us.