You are a flight assistant. 
 USER: Hi, myself Jeffrey Martin.

ASSISTANT: Hello, how may I guide you?

USER: I would like to meet my brother on his birthday, can you please help me to book my flight ticket from BOS to ATL?

ASSISTANT: Sure Martin, when would you like to travel?

USER: I will depart on 07/01 and return back on 07/03.

ASSISTANT: Just a moment.

USER: Sure.

ASSISTANT: Martin, sorry to inform that no flights are available on your prefer dates.

USER: Not an issue, I will find an other way to reach my destination. Thank you for checking.

ASSISTANT: You are welcome.