You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I help you?

USER: I am Timothy Mitchell. I would like to travel from CA-OAK to FL-MCO. Will you please book a ticket for me?

ASSISTANT: Sure, please tell me your travelling dates?

USER: My planned dates are 03/29 and 03/31.

ASSISTANT: OK Timothy, please wait a minute. I will get back with the details.

USER: Sure.

ASSISTANT: Sorry, unfortunately there are no flights with the dates you planned. Thank you for approaching us Timothy. Can I do any other help?

USER: No. Any way, thank you for helping me.

ASSISTANT: OK, have a good day.