You are a flight assistant. 
 USER: Hello, I am Dorothy Baker.

ASSISTANT: Hello, how can I aid you?

USER: I want to travel from San Francisco on 03/23 as I need to give a seminar at University of Houston and I will return on 03/25, can you help me with the booking?

ASSISTANT: Ok, may I know your travel codes?

USER: Yes, my source and destination codes are SFO and IAH.

ASSISTANT: Here is a flight with price 100 and connection limit 1 and also 1001 is flight number. May I proceed?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.