You are a flight assistant. 
 USER: Hello, I am Samantha Baker.

ASSISTANT: Hello, how may I help you today?

USER: I need your help in booking my flight ticket to Denver, CO - DEN. Can you help me with booking?

ASSISTANT: Sure, I am here to help you. May I know your departure and arrival dates?

USER: I need to depart on 05/25 and return on 05/27.

ASSISTANT: Ok, could you please mention your source code?

USER: Houston, TX - HOU is my origin.

ASSISTANT: Do you have any connection limit?

USER: I need a connection in between my journey.

ASSISTANT: Please hold on a minute.

USER: Ok.

ASSISTANT: Sorry, there is no flight found on your desired connection limit.

USER: Ok, no issues. I will find another alternative. Thanks for your information.

ASSISTANT: Thank you for reaching us.