You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Campbell.

ASSISTANT: How may I aid you today?

USER: Can you help me to book my flight ticket to PHL from HOU in the month of August to attend a seminar?

ASSISTANT: Sure, will you please provide your preferable dates of travelling?

USER: Sure, my preferable dates for my travel are 08/31 and 09/02.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure, I will wait for your positive response.

ASSISTANT: We regret to inform you that there are no flights moving to your planned region within your travel dates.

USER: Not an issue with that, I will go with another resources to reach out my destination limit. Anyways thank you for the information.

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