You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Deborah Scott, currently I am staying in DEN an emergency I have to go to JFK to meet my old friend, can you help to a make a flight reservation?

ASSISTANT: Ok Scott, may I know your travel dates to search for a flight?

USER: My journey dates are 06/27 and 06/29.

ASSISTANT: Sorry Deborah Scott, I could not find any flight on your preferable dates.

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

ASSISTANT: Thanks for reaching us.