You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help  you?

USER: I would like to book a flight ticket with the name of Joseph Scott. Can you help me in this?

ASSISTANT: Sure, may I know travelling dates?

USER: My  trip dates are 10/09 - 10/11.

ASSISTANT: Can I know your journey codes?

USER: I want to fly from Seattle, WA -SEA to reach Houston, TX - HOU.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is no flight found with your requirements.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for availing us.