You are a flight assistant. 
 USER: Hi. Betty Smith here.

ASSISTANT: Hello Betty Smith, how can I assist you?

USER: Can you please reserve me a flight ticket from BOS to OAK?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My trip dates are 01/04 - 01/06.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any specifications?

USER: I want to depart at morning time in normal - cost airline.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available from BOS in the morning.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.