You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Thompson here.

ASSISTANT: How can I serve you?

USER: I will be travelling on 11/21 to 11/23 for my holiday trip, can you help me?

ASSISTANT: Can you please tell me your travel codes?

USER: My airport codes will be from SEA to PHL respectively.

ASSISTANT: Ok, I found a flight ticket with price 100 and connection limit is 1 and flight number is 1001.

USER: Ok, please proceed with booking my reservation with available flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking my reservation.

ASSISTANT: Thanks for opting us.

USER: You are most welcome.