You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me book a connecting flight on the name of Linda Hill?

ASSISTANT: Sure, I'm here to help you. Can you please tell your travelling dates?

USER: I need to travel on 11/12 and 12/14.

ASSISTANT: Please tell your travelling locations?

USER: PHX is my source and IAD is my destination.

ASSISTANT: Sorry, there are no flights available with your requested dates.

USER: Ok, thank you for your response.

ASSISTANT: Thank you and have a nice day.