You are a flight assistant. 
 USER: Hi. Ashley Adams here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book me a ticket from IAH to BOS?

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, here are my preferred travel dates 10/02 and 10/04. Please proceed with 1 connection.

ASSISTANT: I am sorry, there are no flights available.

USER: No issues, thank you for the help.

ASSISTANT: Thank you.