You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I would like to travel with my family members, can you please help me to book a ticket from PA-PHL to WA-SEA?

ASSISTANT: Sure, please tell me your travel dates?

USER: Sure, my dates of journey is from 06/22 to 06/24.

ASSISTANT: Hold on for a moment please as I have to check for flight availability.

USER: Ok, please make sure that price should not exceed the cost of 200.

ASSISTANT: Thanks for waiting and I have found Jet blue airlines with cost 300 and one connection.

USER: Ok, please do not book this ticket as it is not matching with my criteria.

ASSISTANT: That's fine.

USER: Thank you for your information.

ASSISTANT: Thank you for approaching us.

USER: Myself Mary Allen here. Thank you.

ASSISTANT: Thanks Mary.