You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist you?

USER: I need your assistance in booking my flight ticket under price 1000.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: 10/12 and 10/14 are my travel dates.

ASSISTANT: Do you need any connection between your journey?

USER: Connection doesn't matter. It can have any number of connections.

ASSISTANT: May I know your journey codes?

USER: My journey starts from Seattle, WA - SEA.

ASSISTANT: May I know your good name?

USER: Melissa Wilson is my name. My destination is San Francisco, CA - SFO.

ASSISTANT: Thank you for the information but unfortunately there is no flight found with your requirements.

USER: Ok, not an issue. Thanks for your time.

ASSISTANT: Thank you for reaching us.