You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emma Adams.

ASSISTANT: How may I assist you now?

USER: I want to book a ticket from PHL to SEA, can you help me?

ASSISTANT: Emma Adams, may I know your travelling dates?

USER: My travel dates are May 16 and 18.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your depart and return time?

USER: I want to depart in the morning and return in the evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to say, there is no flight available for your journey.

USER: No problem, thanks for checking.

ASSISTANT: Most welcome.