You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit the cathedral basilica of saint peter and Paul which is located in Philadelphia, PHL. Can you avail me to book a flight ticket?

ASSISTANT: Sure, when would you like to travel?

USER: I would like to travel in the month of May on 26 and 28.

ASSISTANT: Help me with the source code?

USER: My source is from Houston, IAH.

ASSISTANT: Can I have your name for the booking process?

USER: Please book it on the name of Stephen Adams.

ASSISTANT: Do you have  any preferences?

USER: I need to take a break in my journey.

ASSISTANT: There is a flight in an airline Hawaiian with 1023 number having a single connection price of 200 in an economy class. Shall I proceed to book?

USER: Please reserve my seat.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you for reaching us.,.