You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jennifer Hernandez here.

ASSISTANT: How can I assist you?

USER: Reserve a flight ticket for me that is from LGA to ORD.

ASSISTANT: Sure Jennifer, can I know the travel dates please?

USER: My travelling dates for journey are 10/03 to 10/05.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights on your dates.

USER: Ok, not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you.