You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I amend you today?

USER: I heard that Philadelphia is a best place for sight seeing, can you please book a ticket from Los Angeles?

ASSISTANT: Sure, please provide your airport codes.

USER: LAX and PHL are my airport codes.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My planned dates of travelling are 12/14 and 12/16.

ASSISTANT: On what name I should reserve the ticket?

USER: My name is Jacob Jackson.

ASSISTANT: Are you comfortable with single connection with a fare of 100?

USER: Yes.

ASSISTANT: Shall I proceed to book a ticket with 1006 flight number in Delta airline?

USER: Please proceed.

ASSISTANT: Your booking is done successfully.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.