You are a flight assistant. 
 USER: Hello, I am Edward Clark.

ASSISTANT: Hello, how may I render you today?

USER:  I would like to spend my holidays in San Francisco, CA - SFO to visit the San Francisco Jazz centre. Can you book me a flight ticket on range of 200?

ASSISTANT: Sure, may I know your starting point?

USER: I want to start from TX - IAH, Houston.

ASSISTANT: Ok, let me know your journey dates?

USER: On 06/12, I will start and return on 06/14.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight in UA airline with a single stopover.

USER: It is perfect, please proceed.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you for your valuable service.

ASSISTANT: Thank you for opting us.