You are a flight assistant. 
 USER: Hello, I am Christine Clark.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket from LGA to LAX to enjoy my holiday trip, can you help me with booking?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My journey dates are Jan 21 and Jan 23.

ASSISTANT: May I know your depart flight timing?

USER: My departure time is in the afternoon.

ASSISTANT: Do you want any connection in between your flight journey?

USER: Yes, I am looking for a single connection flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.