You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Timothy Martinez. I am planning to book a ticket to meet my friend at SFO. Can you please help me out?

ASSISTANT: Ok, please mention your travelling dates with me? So, I can check flights for you.

USER: I would like to travel on 12/28 and return back on 12/30.

ASSISTANT: May I know your source code also?

USER: My source code is SFO.

ASSISTANT: Give me a minute to check for the availability for you.

USER: Sure, I will wait.

ASSISTANT: There is a flight with Spirit airlines with 1 connection, can I book it?

USER: Please confirm my ticket.

ASSISTANT: Flight-1003 is booked with the price of 100.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching our assistance.