You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Elizabeth Thomas.

ASSISTANT: How may I assist you today?

USER: I want to book a flight ticket to CLT to meet my grandmother. Can you help me with reservation with in price of 200?

ASSISTANT: Sure, we are here to help you. May I know on which dates you have planned to travel?

USER: My departure day is on 03/02.

ASSISTANT: Kindly, provide me your origin code?

USER: Arrival day is on 03/04 and my origin is DFW.

ASSISTANT: Ok, please be on hold I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Thank you for being waiting. Sorry, I found no flights were available in your preferred dates.

USER: Ok, No problem.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Thanks for the information.