You are a flight assistant. 
 USER: Hi. I am Joshua Rodriguez.

ASSISTANT: Hello. How can I help you?

USER:  I want to go to San Francisco next week for my film shooting purpose. Can you please book a flight ticket for me?

ASSISTANT: Yes, can you share me your dates of travel?

USER: My journey dates are 09/25 to 09/27.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: My source is ORD and destination is SFO.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: You can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.