You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I need to travel from LGA to PHL, can you help me?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My trip dates are 05/02 and 05/04.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Any more specifications do you have?

USER: My return time must be in evening.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Samantha Rodriguez.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: We are apologize that, there are no flights running towards your region with your requested dates of travelling.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for approaching us, hope you have a great day.