You are a flight assistant. 
 USER: Hi, I am Catherine Parker.

ASSISTANT: Hello, how can I render you today?

USER: Can you please book me a ticket from IAH to OAK?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My planned travel dates are from May 19th to May 21st.

ASSISTANT: Ok, do you have any other specifications?

USER: I want a ticket within price 1000.

ASSISTANT: AA airlines is having a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked your ticket with flight-1016, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.