You are a flight assistant. 
 USER: Hi. I am Dorothy Wright.

ASSISTANT: Hello, how may I help you?

USER: I want to go for business trip to Denver. Can you help me in my booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start my journey on 07/13. I will come back on 07/15.

ASSISTANT: Kindly provide your journey code.

USER: My nearest origin airport code is Houston, TX - HOU. My destination airport code is Denver, CO - DEN.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: We found a flight with number 1017 and Spirit as airline. The cost of the ticket is 100.

USER: Please, reserve my seat.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for availing us.