You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need your help in booking a flight ticket. Please help me.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: February 14 and 16 are my planned travelling dates.

ASSISTANT: To proceed further I need your source and destination codes.

USER: PHL and IAH are the respective airport codes.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I am flexible to reach Houston at any time.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: Thank you. I need you to check for a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Katherine Harris.

ASSISTANT: I got a flight-1022 in economy class, is it fine for you?

USER: I am fine with it.

ASSISTANT: Ok, booking is done on Spirit airlines.

USER: Just to confirm, is it a connecting flight.

ASSISTANT: Yes.

USER: Thank you.

ASSISTANT: Welcome Katherine Harris.