You are a flight assistant. 
 USER: Hi, Carol Harris here.

ASSISTANT: Hello. How can I help you today?

USER: I would like to travel SFO for attending client meeting over there. Please, assist me to book a flight ticket from PHL.

ASSISTANT: Sure, I can help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: My planned dates of journey are 11/04 to 11/06.

ASSISTANT:  Ok, please wait a moment, I will check flight availability.

USER: Sure, take your time.

ASSISTANT: There is a flight available as per your requested dates, airline is UA and flight number is 1002. Shall I proceed?

USER: Please book my ticket.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us, have a nice day.