You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: My name is Matthew Williams, can you help me to book a flight from BOS to HOU?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: Ok, my depart date is 07/01 and return date is 07/03.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route.

USER: Ok, I will wait.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's not a problem.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you for assisting me.