You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Paul Edwards, I want to book a flight ticket from HOU to BOS in the month of November to meet my friend.

ASSISTANT: Ok, can you help me with your planned dates of journey?

USER: Sure, my planned dates of journey are 11/20 and 11/22.

ASSISTANT: Sorry Paul, there is no flights as per your preferable dates.

USER: Not an issue, anyway thank you for the help.

ASSISTANT: Ok, thank you for reaching out here.