You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you today?

USER: I want to book a flight ticket with the name of Alexander Martin. Can you help me in this?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know your journey points?

USER: My airport codes are from TX - HOU to TX - DFW.

ASSISTANT: Please help me with your travel dates?

USER: My trip dates are 12/22 - 12/24. I need a direct flight please make sure.

ASSISTANT: Do you need any other requirements?

USER: I can afford up to 500 only.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your presence. We found a AA airline, 1027 flight with single connection. Shall I proceed with booking?

USER: Do not proceed. Thank you for your information.

ASSISTANT: Thank you for reaching us.