You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Angela Robinson.

ASSISTANT: How can I aid you today?

USER: I am looking for a flight from LAS to SFO, can you help me in booking?

ASSISTANT: Sure, when are you planning to start and return on?

USER: Sure, my planned travel dates are Nov 03 and Nov 05.

ASSISTANT: Thank you for sharing details, there are no flights found.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you.