You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Edwards.

ASSISTANT: How can I assist you?

USER: Can oyu help me in booking from SFO to OAK, as there is a musical concert at Oakland?

ASSISTANT: Ok, may I know your travelling dates?

USER: My journey dates are 12/12 to 12/14.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no flights found on your preferable dates.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for reaching us.