You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. May I know your name?

USER: My name is Samantha Smith, and I want to book a ticket?

ASSISTANT: Sure, I am here to help you, can you provide your journey details?

USER: My departure is from NY-LGA to destination as TX-DFW.

ASSISTANT: OK, will you provide your travelling dates?

USER: My journey dates are from Jun 16 to Jun 18, and price limit is 5000.

ASSISTANT: May I know your connection limit?

USER: One is fine.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting, sorry to inform that no flight is found regarding your details.

USER: That's fine.

ASSISTANT: Thank you, for connecting with us.

USER: Thank you for your information.