You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am looking for a flight from SFO to CLT to meet my client. Can you help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: Ok, my planned trip dates are from 08/25 to 08/27.

ASSISTANT: On whose name I have book the flight ticket?

USER: My name is Rebecca Phillips.

ASSISTANT: We regret to tell you that there are no flights moving to your planned region with your requested dates of travelling.

USER: Ok, no problem. Thank you for your help.

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