You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Robert Parker.

ASSISTANT: Nice to meet you Parker.

USER: Can you find a flight for me from JFK to PHL, to meet my grandfather.

ASSISTANT: Please provide your travel dates.

USER: Sure, my trip dates are 07/19 and 07/21.

ASSISTANT: I could not find any flight for your details.

USER: It's ok, thanks for your information.

ASSISTANT: It's my pleasure.