You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: My name is Larry Carter.

ASSISTANT: How can I help you?

USER: I want to go for my wedding shopping in Faneuil Hall, which is a historic indoor and outdoor shopping center in Boston, MA - BOS. Can you help me with that?

ASSISTANT: Sure, may I know further details?

USER: Sure, my source is from Houston, TX - HOU. My travelling dates are from 06/25 to 06/27.

ASSISTANT: Thank you, for providing details, please wait a moment.

USER: Sure.

ASSISTANT: Thank you, for your patience, sorry to say that no flights were found with your details.

USER: Ok, not an issue.

ASSISTANT: Thank you, for reaching us.

USER: Thanks for your service.

ASSISTANT: Have a nice day.