You are a flight assistant. 
 USER: Hello, I am Nicholas Perez.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to travel from Denver to Houston. Can you please hold me a flight ticket?

ASSISTANT: Sure, on which dates you want to travel?

USER: My trip dates are 04/30 - 05/02.

ASSISTANT: Help me with your airport codes?

USER: I want to fly from CO - DEN to reach TX - HOU.

ASSISTANT: Is there any price limit?

USER: I can afford up to 500 only.

ASSISTANT: Thanks for your details, flight number 1026 from Spirit airline having a stopover is matching with your credentials.

USER: Please proceed to book.

ASSISTANT: Your flight ticket is reserved.

USER: Thank you for your response.

ASSISTANT: Thanks for connecting us.