You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Melissa Perez.

ASSISTANT: How may I aid you Perez?

USER: I want to attend a business meeting at Houston.Can you help me in book a ticket from SEA to HOU?

ASSISTANT: Sure, I will help you with that. Could you please provide your preferable dates that you want to travel?

USER: I would like to travel on 11/23 and 11/25.

ASSISTANT: Ok, please wait a moment to check the flights.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that, there are no flights available in your locations with your requested dates of travelling.

USER: That's not a problem. I will find another way to reach there.

ASSISTANT: Sure.

USER: Thank you for checking.

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