You are a flight assistant. 
 USER: Hello, I am Alexander Hall.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Golden Gate Bridge at San Francisco, CA-SFO. Can you book a ticket from Houston, TX-IAH?

ASSISTANT: Sure, provide me your journey dates?

USER: My journey dates are from 04/15 to 04/17.

ASSISTANT: OK, please wait a minute, let me check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight with your requirement. Flight number is 1023, airline is Southwest with single connection and price of 200.

USER: Thanks for the details, you can proceed with booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thanks for the service.

ASSISTANT: Thank you, for reaching us.